What is the function of the nervous tissue cell?
Written by Almarie Joy B. Florida
Reviewed by Dr. Reuben J C. los Baños, Ph.D.
Nervous tissue conducts and transmits electrical signals in your body. The body calls these signals nerve impulses or an “action potential.” It enables rapid communication between your body parts. It supports sensory perception, motor coordination, and thinking. Also, it supports and regulates the activities of other cells.
Two Major Divisions of Nervous System
- Central Nervous System (CNS) – composed of cerebrum, cerebellum, spinal cord
- Peripheral Nervous System (PNS). – composed of cranial nerves, spinal nerves, ganglia
Your neurons, also called nerve cells, carry out the nervous system’s functions. They do this by responding to stimuli. They transmit chemical and electrical signals, which cause an action potential. The anatomical structure of your neurons has three main parts – cell body, dendrites, and axon.
Meanwhile, glial cells or neuroglia mean “nerve glue.” They are connective tissue in the nervous system. Your neuroglia, unlike neurons, do not conduct signals. Instead, they offer support to neurons for their structure and function.
What is the main characteristic of nervous tissue?
Nervous tissue’s main trait is its unique excitability or irritability. This property refers to the ability of some cells. They can respond to changes or stimuli. These cells include neurons, muscle cells, and some gland cells. They show their ability to react. They do this by changing the ionic gradient. They do it across their plasma membrane in response to various stimuli.
When your neurons encounter stimuli, they undergo a rapid ionic gradient reversal. This process, known as membrane depolarization, spreads across the entire membrane. This depolarization wave is often called the action potential. It can travel long distances along the neuronal processes.
As it travels, it sends signals to other neurons, muscles, and glands. These help them communicate and coordinate within your body. This allows you to respond to signals. This plays a vital role in sensing, moving, and body functions. Additionally, specialized nervous tissue is amitotic. Once something destroys it, it cannot regenerate because it does not undergo mitosis.
What is nervous tissue made of?
Nervous tissue is integral to the function of the nervous system. Two distinct cells make it, neurons and neuroglia. The neurons in your body are the primary communicators within your nervous system. Meanwhile, neuroglia provides support and maintenance for neurons. It gives insulation, nutrients, and defense from pathogens.
Figure 1. Structure of a neuron.
The structure that supports your neuron has three main parts. These parts are the cell body, dendrites, and axon. The cell body, also known as perikaryon or soma, contains a nucleus with at least one nucleolus. But unlike other cells, it lacks centrioles due to the amniotic nature of the cell.
Dendrites, also known as fibers, receive stimuli from other neurons. In some cases, the soma receives signals. They have a tree-like structure extending from the cell body to receive neurotransmitters.
Neurons can differ in the number of dendrites they have. Some lack dendrites, while others have many. They may have dendritic spines. This help increase their surface area for connecting with other neurons. Also, dendrites transmit impulses to your body’s neurons, classified as afferent processes.
Axon also transmits signals away from the cell body to other neurons, muscles, or glands. It is a tube-like structure. It carries the processed signal to endpoints called axon terminals. Your neurons can have one or two axons.
Other structures of a neuron are synapse and axon hillock. A synapse is where two neurons come close together, allowing one neuron to send a signal to the other. One side has the axon terminal of the sending neuron. The other side has a dendrite or dendritic spine of the receiving neuron. A tiny gap, the synaptic cleft, is in the middle. One neuron releases neurotransmitter across it to the next neuron.
Meanwhile, the axon hillock is where a neuron begins an action potential. It also decides whether to generate one. Not every signal received by a neuron at a synapse triggers an action potential. A single neuron can get signals from thousands to hundreds of thousands of other neurons. Some may send conflicting messages at the same time. The neuron combines these conflicting signals. It “integrates” them at the axon hillock. The hillock is between the cell body and the start of the axon. The process at the axon hillock integrates signals. It decides if the neuron will generate an action potential.
Classification of Neurons
The classification of your neurons based on their structure:
- Multipolar neurons
- It is the most common among all neurons. It consists of one axon and two dendrites.
- Bipolar neurons
- Areas such as the eye, nose, and inner ear contain it. It consists of one axon and one dendrite.
- Unipolar or pseudounipolar neurons
- This includes all sensory neurons. They have one main branch that splits near the body. One part goes to the body’s edges, while the other goes toward the CNS.
- Anaxonic neurons
- It consists of many dendrites but have no true axons. It does not produce action potential. Instead, they regulate electrical changes of adjacent CNS neurons.
The classification of your neurons based on their function:
- Sensory neurons
- It is also known as afferent neurons and are unipolar. It is the receiving stimuli from the receptors throughout the body.
- Motor neurons
- It is also known as efferent neurons and are multipolar. It sends impulses to effector organs such as muscle fibers and glands. Some motor neurons manage muscles you can move, like those in your arms and legs. Meanwhile, others control automatic body functions such as heart rate and digestion.
- Interneurons
- It creates connections between other neurons, forming complex networks in CNS. These cells make up most of the neurons in your body and can either be multipolar or anaxonic.
Neuroglia or Glial Cells
Neuroglia in the mammalian brain is more abundant, being 10 times more common. In the CNS, these cells surround both the larger neuronal cell bodies. They also surround the axons and dendrites between neurons. CNS contains little connective tissue and collagen, except around your major blood vessels. It replaces connective tissue, supporting neurons and creating ideal spaces for neuronal activity. There are six major types of neuroglia located both in your CNS and PNS.
Neuroglia in Central Nervous System
- Oligodendrocyte
- Named from the Greek’s words oligo, small; dendron, tree; kytos, cells. It extends processes around your CNS axons, creating myelin sheath for electrical insulation. They work together to wrap axons, speeding up nerve signals. Under light microscopy, your glial cells appear as small cells with rounded nuclei.
- Astrocyte
- Named for their star-like appearance, from the Greek words astro-, star; kytos, cells. It has several branching processes supported by glial fibrillary acid protein (GFAP). It serves as a unique marker for this type of glial cell. This cell functions as structural and metabolic support for neurons and repair processes.
- Ependymal cell
- It is a columnar or cuboidal cell found lining the fluid-filled spaces in your brain and spinal cord. The ends of some cells have cilia which helps the cerebrospinal fluid (CSF) to move. The long microvilli help with absorption.
- Microglia
- These are small cells with many long, branching processes. In some areas of CNS, they are abundant as neurons. But they are not common like oligodendrocytes and astrocytes.
Neuroglia in Peripheral Nervous System
- Schwann Cell
- It is also known as neurolemmocytes. It does similar things to oligodendrocytes in the CNS. This includes supporting axons and making myelin sheaths. Unlike oligodendrocytes, they wrap their myelin sheath around one part of the axon.
- Satellite Cell
- It is a small glia that surrounds the sensory ganglia of neurons in the autonomic nervous system (ANS). These cells provide structural and metabolic support for neuronal cell bodies. Also, they are responsive to injury and can worsen pathological pain.
What are the two most important organs of the nervous system?
The brain and spinal cord are the two key organs in the nervous system.
Figure 2. Structure of a human brain.
Your brain is part of the central nervous system (CNS). It serves as the command center. It directs cognition, memory, sensation, movement, respiration, temperature regulation, and all body functions. It communicates through both chemical and electrical signals that travel throughout the body. It regulates various processes, with the brain interpreting each one. While some messages stay in the brain, others travel through the spinal cord and nerves in your body.
The average adult’s brain weighs around 3 pounds and consists of approximately 60% fat. The remaining 40% is a mixture of water, protein, carbohydrates and salt. Unlike muscles, the brain consists of blood vessels and nerves.
Main Parts of the Brain and their Functions
- Cerebrum
- It is the largest part of the brain and located at the front. It contains two main parts: gray matter, known as the cerebral cortex, and white matter in its center. The cerebrum controls movement initiation, coordination, and regulating temperature. It is also responsible for speech, thinking, reasoning, judgment, emotions, problem- solving, and learning. Apart from that, your cerebrum carries out functions related to your five senses.
- Brainstem
- Found in the middle of the brain, the brainstem connects the cerebrum to the spinal cord. It consists of three main parts: the midbrain, the pons, and the medulla.
- Cerebellum
- Often referred to as the “little brain.” It is a first-sized region situated at the back of the head. Also, the brain divides into two hemispheres. The outer part contains neurons, while the inner communicates with the cerebral cortex. Your cerebellum functions in coordinating voluntary muscle movements and maintaining posture.
Figure 3. Structure of a spinal cord.
Your spinal cord is a lengthy, tube-like structure wherein it is about 18 inches long in most adults. This organ links your brain to your lower back. It is a pathway for nerve signals. They travel between your brain and body for you to sense feelings and control movement. Any injury can impair your mobility or function.
Main Parts of the Spinal Cord
- Sacral cord
- Lumbar cord
- Thoracic Cord
- Cervical Cord
- Coccygeal
How many nerves are in the human body?
The body consists of seven trillion nerves, transmitting various signals throughout the body.
Every part of your body has nerves. Even the bones have many nerves. Your skin, especially on your fingertips and face. is the organ that contains many nerves. These parts are full of nerve endings, so it is very sensitive to touch and change in temperature.
Your nerves arise during embryonic development. This happens through a process called neurogenesis. Stem cells become precursor cells, which then mature into neurons. Throughout your life, neurons can change. They do so in response to both internal and external signals. They change by reorganizing their structure and functions. Like other cells, neurons also undergo degeneration. This leads to cell death, which contributes to neurological disorders.
How are the nervous tissues protected?
Nervous tissues have many protective mechanisms. The central and peripheral nervous systems protect it. They do this using anatomical structures. These include the skull, vertebral column, meninges, and cerebrospinal fluid (CSF).
The skull and the vertebral column’s bone structure is important. They provide a robust protective barrier for the brain and spinal cord. The skull has a strong bone. It encases the brain, shielding it from impacts and injuries. The vertebral column consists of a series of vertebrae. It surrounds and protects the spinal cord, ensuring its safety from physical trauma.
Also, three layers of connective tissue known as meninges wrap your nervous tissues. They serve as an extra protective layer. The outermost layer is the dura mater. It forms a tough and fibrous covering around the brain and spinal cord. It provides mechanical support and protection. Below your dura mater is the arachnoid mater. It is a membrane that cushions and supports nervous tissues. Finally, the innermost layer is the pia mater. It is a thin membrane that sticks to the brain and spinal cord. It gives extra support and nourishment.
Furthermore, CSF also protects nervous tissue. Your CSF fills the spaces within the meninges. It forms a fluid cushion that absorbs shocks. This fluid also helps keep a stable environment around your brain and spinal cord.
Moreover, endothelial cells form the blood-brain barrier. They line the blood vessels in the brain. The barrier controls the passage of substances from the blood into the brain. This stops harmful substances such as toxins and pathogens that enter the brain.
Why is our nervous system important?
The nervous system is vital for your functioning and survival.
The nervous system is key for coordinating body functions. It sends signals for movement, sensation, and more. It enables responses to touch, pain, and sound. You can sense these through touch, temperature changes, and sound. They contribute to your well-being. It also controls involuntary functions like heartbeat and breathing. It also handles voluntary actions like walking and thinking. Moreover, it maintains homeostasis by regulating physiological parameters.
References:
Admin. (2022, September 22). Spinal Cord – Anatomy, Structure, Function, & Diagram.
BYJUS. https://byjus.com/biology/spinal-cord/#structure
Admin. (2023, June 23). How many nerves are in the human body? Brain and Spine Specialists. https://brainandspinecenterllc.com/2023/06/23/how-many-nerves-are-in-the-human- body/#:~:text=Diving%20into%20the%20world%20of,to%20a%20body’s%20electrical% 20wiring.
Brain anatomy and how the brain works. (2021, July 14). Johns Hopkins Medicine. https://www.hopkinsmedicine.org/health/conditions-and-diseases/anatomy-of-the- brain#:~:text=The%20brain%20is%20a%20complex,central%20nervous%20system%2C
%20or%20CNS.
Libretexts. (2023, January 17). 10.2B: Neuroglia of the Peripheral Nervous System. Medicine LibreTexts. https://med.libretexts.org/Bookshelves/Anatomy_and_Physiology/Anatomy_and_Physiol ogy_(Boundless)/10%3A_Overview_of_the_Nervous_System/10.2%3A_Neuroglia/10.2 B%3A_Neuroglia_of_the_Peripheral_Nervous_System
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Neurons | Organismal Biology. (n.d.). https://organismalbio.biosci.gatech.edu/chemical-and- electrical- signals/neurons/#:~:text=Dendrites%20are%20tree%2Dlike%20structures,receive%20neurotrans mitters%20from%20other%20neurons.
Polis, B., & Samson, A. O. (2021). Neurogenesis versus neurodegeneration: the broken balance in Alzheimer’s disease. Neural Regeneration Research/Neural Regeneration Research, 16(3), 496. https://doi.org/10.4103/1673-5374.293138
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Puderbaugh, M., & Emmady, P. D. (2023, May 1). Neuroplasticity. StatPearls – NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK557811/
An important part in our body is the nervous system which is key for coordinating body functions. Nervous tissue conducts electrical signals, enabling rapid communication within the body for functions like sensory perception and motor coordination. The nervous system has two main divisions: the Central Nervous System (CNS), comprising the cerebrum, cerebellum and spinal cord, and the Peripheral Nervous System (PNS), consisting of cranial nerves, spinal nerves, and ganglia.
The article gives a detailed breakdown of how nervous tissue works and its importance in the body. It explains the functions of neurons and glial cells, showing how signals are sent and received. The classification of neurons and neuroglia is clear, and it covers the key protective mechanisms of the nervous system well.
The article does a great job explaining the primary functions of nervous tissue cells, particularly the role of neurons in transmitting electrical signals and the importance of neuroglia in supporting and protecting these neurons. I appreciate how the article touches on the concept of communication between body systems, which is central to the nervous system’s ability to maintain homeostasis.
The article gives a concise explanation about the function of the nervous tissue. I have learned that it allows rapid communication between your body parts through transmitting electrical signals. The body calls these signals nerve impulses or an “action potential.”
The neurons, also called nerve cells, are the primary communicators within your nervous system. The cell body, dendrites, and axon are three main parts of the anatomical structure of your neurons. On the other hand, glial cells or neuroglia meaning “nerve glue”, offers support to neurons for their structure and function such as giving insulation, nutrients, and defense from pathogens. These two distinct cells are what makes up the nervous tissue.
Overall, I have learned that the nervous tissue not only transmits electrical signals but also plays a crucial role in maintaining homeostasis by integrating and processing information from internal and external environments.
The field of neuroscience is a difficult area to delve in. Its concepts often require a high level understanding on anatomy and physiology. I appreciate that this article has made it much more simpler for everyone to read.
I have always known that the entire nervous system is complex, especially our control center, the brain. But I would not have guessed it was this intricate. It’s very intriguing to think that the communication from the peripheral nervous system’s nerves to the brain happens using chemical and electrical signals. There is literal electricity in the body.
Can you imagine, all that power in the brain over our body but it only weighs 3 pounds? It’s even more shocking to learn that it is 60% fat. Each part of the brain is in charge of certain functions in the body. For instance, the cerebrum is responsible for higher cognitive functions while the cerebellum oversees balance and movement. It’s truly astonishing to know something so light-weight could possess such control over the body.
The nervous system is an incredible network that allows our body to communicate, feel, and move, all thanks to specialized cells called neurons and their supportive counterparts, neuroglia. Neurons transmit electrical signals, which help coordinate everything from simple reflexes to complex thoughts. Neuroglia provide essential support, ensuring neurons function properly. It’s fascinating how our body relies on these intricate systems for every action and response, yet once damaged, nervous tissue can’t regenerate. This highlights how crucial it is to protect our nervous system for overall health and wellbeing.
This detailed breakdown of the nervous system highlights its critical role in ensuring communication and coordination throughout the body. Even the most basic body functions are complicated when one considers how neurons and neuroglia work together to process and transfer information. The nervous system is intriguing not just because it regulates movement and sensation but also because it manages essential involuntary functions like breathing and pulse. Furthermore, the importance of maintaining the integrity of these fragile tissues is demonstrated by the protective mechanisms in place, such as the meninges and cerebrospinal fluid.
This article provided a detailed and concise explanation of how the nervous tissue cell works in our body, its characteristics and functions, as well as its components that make them work together as one. It plays a vital role in the rapid communication between our body parts as the nervous tissue transmits electrical signals called “nerve impulses” as a way to deliver information. With this, we can say that without the nervous tissue cells, we cannot react to a specific stimulus or change in our environment because these cells cause an action potential in us. However, some specialized nervous tissue is amitotic, meaning it cannot regenerate once something destroys it. So, it is really important to be cautious at all times and we must always take good care of ourselves to avoid the destruction of our nervous tissue.
The delicate role of nervous tissue in the human body never ceases to amaze me. As a student in medical technology, I’m particularly fascinated by how neurons transmit electrical signals, enabling rapid communication across different parts of the body. It is humbling to realize how the brain, spinal cord, and peripheral nerves work in harmony, not only keeping us aware of the world around us but also controlling the fundamental processes that sustain life, like breathing and heartbeat. I’m particularly struck by the essential, yet often overlooked, role of neuroglia—these support cells are the unsung heroes that ensure the proper functioning of neurons. Through this article, understanding the interconnectedness of our nervous system serves as a powerful reminder of how incredibly complex and precise our bodies operate, making me appreciate more on human biology.
This article explores how nervous tissue cells play a critical role in transmitting signals throughout the body, enabling essential functions like sensory processing, motor coordination, and thinking. What’s fascinating is how these cells, specifically neurons, use electrical impulses to communicate rapidly across long distances, allowing us to react quickly to stimuli. The ability of nervous tissue to control both involuntary and voluntary actions demonstrates its vital role in maintaining life and ensuring coordinated body functions.
The article brings much information about nervous tissue cells, which gives me much more knowledge of how our cells function. These connect to how it helps us perceive things and think and act. Also, it explains well how our nervous system is divided into two: the c, central nervous system and the peripheral nervous system. The information on the main characteristics of nervous tissue is very informative and contains a lot of things that I learned much more. It also states how nervous is made, and each part serves different work to function as a single jumpy tissue. And so on, I hope that this information helps those people who are also teenagers learn about nervous tissue cells.
Nervous tissue transmits electrical signals, enabling rapid communication, sensory perception, motor coordination, and regulation of other cells. The nervous system has two divisions: the Central Nervous System (CNS), including the brain and spinal cord, and the Peripheral Nervous System (PNS), including cranial and spinal nerves. Neurons, or nerve cells, transmit signals via electrical impulses, with their structure consisting of a cell body, dendrites, and axon. Glial cells, or neuroglia, provide structural support to neurons but do not conduct signals.
I am familiar that the nervous system is responsible for transmitting electrical signals throughout the body. It enables sensory perception, motor control, and cognitive functions. The brain and spinal cord are the central organs of the nervous system, protected by the skull, vertebral column, meninges, and cerebrospinal fluid.
This article made me realize how complicated and sophisticated the nervous system is, with its vast network of interconnected neurons and diverse functions. Studying the nervous system is like trying to map out a never-ending city of electrical signals, chemical exchanges, and unpredictable routes. Even a tiny disruption can send the entire system into a tailspin, making the study feel like solving a puzzle with missing pieces.
It comprises neurons and neuroglia and works as a quick communication system. From basic reflexes to sophisticated thought processes, neurons send electrical impulses called action potentials throughout the body. Neurons perform important functions in the central and peripheral nervous systems. Neuroglia offers support, including structure and nutrition, and are frequently underestimated. Motor coordination, sensory perception, and general body function depend on this delicate balance between action potential transmission and neural support.
Nervous tissue is characterized by excitability, enabling neurons to quickly respond to stimuli by altering ionic gradients, leading to action potentials. The brain, mostly made of fat and water, controls voluntary actions, cognition, and sensory functions. The cerebrum handles higher functions, the brainstem connects to the spinal cord, and the cerebellum manages motor coordination. The spinal cord is a communication pathway that links the brain to the body and facilitates sensory and motor control through regions like the cervical and sacral sections.
Every portion of the human body, including the bones, has nerve endings, with about seven trillion nerves. The skin is susceptible to touch and temperature changes because it is rich in nerves, especially on the face and fingertips. Due to this, the brain has varied functions and intricate anatomy, and its sensitivity demands precision, patience, and continual learning. That’s why even small mistakes can lead to severe consequences when operating.
Through this article, I was able to understand how cells in nervous tissue function in the body through this article. For that, I was able to grasp their characteristics, roles, and components that work well together. I now appreciate the importance of these cells in transmitting electrical signals, or nerve impulses, that allow rapid communication among body parts and enable us to respond accordingly to stimuli. Indeed, it is these cells that allow us to respond quickly when our environment changes.
But at the same time, I learned why I must defend these cells as some of the specialized nervous tissue cannot be replaced if destroyed. Such knowledge forces me to be very careful and responsible in taking care of my body to prevent any damage to such irreplaceable parts.
Our nervous tissue plays an important role in conducting and transmitting electrical impulses in our body. It helps support sensory perception, like interpreting what we see, hear, touch, taste, and smell; motor coordination, like our ability to control and coordinate movements; and even thinking. It comprises two divisions, CNS and PNS, which help the body.
The nervous tissue comprises neurons and neuroglia, which are communicators, supporters, and nervous system maintenance. These nerves can be up to trillions inside our body, which transmit signals to every nook and cranny. The nervous system is essential for us to survive because it helps the other systems of the body to function well.
We once joked about being nervous because we have a nervous system, which is true. After all, the nervous system is designed to protect us by triggering its fight or flight response (SNS), causing increased heart rate and even sweating. It’s amazing how a joke we made can be somewhat true without even us knowing. <3
Truly, nerve tissue is impressive, keeping in mind how all sorts of complex processes carry with incredible precision. Moreover, this is how neurons inter-communicate everything via electrical signals, from a man’s thoughts to all kinds of movements. The body conceals its delicate structures, given its importance for its entirety. The fact that nervous tissue is amitotic and does not regenerate like most other tissues makes taking care of our nervous system much more important. It is an excellent reminder of the importance of brain health and the intricate design of our bodies.
The most exciting concept is probably the “action potential” or nerve impulse. The electrical signals can travel all around the body at incredible velocities and, sometimes, over great distances. The way neurons talk to each other with their axons and dendrites is just a marvel of nature, reflecting the complexity and sophistication of the human body.
It is also quite impressive how our nervous tissue is protected. The body takes extraordinary measures to protect the brain and spinal cord through the skull, vertebral column, meninges, and cerebrospinal fluid. All these protective mechanisms highlight the nervous system’s importance in survival and well-being.
I love how this article intricately gives information about the nervous tissue cells and how important it is in our body to conduct and transmit electrical signals that enable rapid communication between our body parts. Knowing how this cell can give significance to our body by supporting sensory perception, motor coordination, and thinking fascinates me. It explains that neurons and neuroglia are the two distinct cells that make the nervous tissue and the components of our nervous system, namely, the central and peripheral nervous systems. Delving more deeply into the brain, I love how detailed the article is, highlighting the importance of our brain and its crucial function in our body.
The complexity of the nervous system is like the wiring in a sophisticated machine, ensuring that everything from simple movements to complex thoughts happens seamlessly. It’s amazing how every thought, feeling, or action is made possible by neurons firing electrical signals and how they’re protected by layers of defense, almost like a security system guarding something invaluable. It reminds me of how we often take for granted the way our body functions until something goes wrong, like when we feel a small pain or lose focus. The nervous system is truly the unsung hero that keeps everything running smoothly, just like the unseen forces that keep our lives in motion, often unnoticed until they’re interrupted.
The nervous system shows how the body works like a well-connected network. Every part has a job, from sensing things around us to controlling our movements and thoughts. It’s amazing how tiny cells like neurons can quickly carry messages to keep us alive and active. This system helps us move, think, and even feel, showing us that our body’s communication ability is essential for survival and well-being. It also reminds us how important it is to protect our brain and spinal cord because they control everything we do.
Nervous tissue is like the communication system of your body. It helps send important messages quickly between your brain and other parts of your body. These messages, called nerve impulses or action potentials, are what allow you to sense things, move your muscles, and think. The nervous system has two main parts: the central nervous system (CNS), which includes your brain and spinal cord, and the peripheral nervous system (PNS), which has the nerves that connect the body to the CNS. Neurons, special cells in your body, are the ones that send these messages, and they work by responding to signals and sending electrical and chemical messages. There are also glial cells that help support the neurons, making sure they stay healthy and can do their job. Reading the article furthermore, what made me interested is the nervous tissue’s special ability to react to different changes called excitability. When neurons receive a signal, they change the way they work for a short time, allowing them to send the message along to other parts of the body. The nervous system controls all kinds of things like how you move, feel, and even keep your heart beating, which makes it super important for everything your body does.
The article made by Almarie Joy B. Florida deepen my understanding of the nervous tissue cell and it’s function. Nervous tissue conducts and transmits electrical signal in your body. In the article it said that these signals are the one enables the connection between body parts. It composes of sensory perception, motor coordination, and thinking.
In order to coordinate bodily activities, the nervous system is essential. It transmits messages for sensation, movement, and other functions. It permits reactions to sound, touch, and pain. These can be detected by sound, touch, and temperature variations. They enhance your quality of life. Additionally, it regulates involuntary processes like breathing and heartbeat. Additionally, it manages free will behaviors like walking and thinking. Furthermore, it controls physiological parameters to preserve homeostasis.
This article gives a comprehensive review of the nervous system and its functions. It has done an excellent job of describing the structural elements of nervous tissue, such as neurons and neuroglia, and their functions in the context of communication, coordination, and protection in the body. It has also been easy to note that there are differences between the central and peripheral nervous systems, as well as in signal transmission processes like action potentials and synaptic transmission. Overall, the article is very informative and represents a good basis for developing an understanding of the complexities that support vital bodily functions.
Growing up, I believed that the nervous system was the mastermind behind all the processes in our body. However, this article has enhanced my understanding.
As I read the article, I learned that our nervous tissue carries and transmits electrical signals throughout the body, which we call action potentials. I appreciate how the article not only discusses that nervous tissues are made of neurons, which are the primary communicators within our nervous system, and neuroglia, which provide maintenance for the neurons to help them maintain their vital function, but also includes the structure of a neuron. This helped me better visualize what it indeed looks like.
I realized that although accidents are inevitable, we should always be cautious in our daily activities, especially those that can pose a potential risk. We must remember that every part of our body contains nerves. If damaged, it can disrupt communication between the brain, spinal cord, and the rest of the body, leading to loss of sensation or, worst case, paralysis.
The function of nervous tissue cells, primarily neurons, is to conduct and transmit electrical signals in the body. This allows for rapid communication between different parts of the body. Neurons are responsible for sensory perception, motor coordination, and cognitive functions like thinking. They receive stimuli through dendrites, process these signals in the cell body, and transmit them through axons to other neurons, muscles, or glands. Nervous tissue plays a vital role in body functions such as sensing, movement, and regulation of various bodily activities. Glial cells, or neuroglia, support neurons by providing structural support, insulation, nutrients, and defense from pathogens, although they do not conduct signals themselves.
MT 30 – AA
SY 2024-2025
Nervous tissue cells are the foundation of communication within the body, transmitting signals that allow us to think, move, and feel. Neurons, the primary cells of nervous tissue, generate and carry electrical impulses, ensuring that every action and reaction happens seamlessly. Supporting them are neuroglia, which provide nourishment, protection, and stability, reinforcing the strength of the nervous system.
These cells remind us that connection is essential—not just in biology, but in life itself.
Irish Queen R. Du – BSMT 2
MT 30 Lec-CC (S.Y. 2025-2026)
As I read the article, I gained a deeper understanding of how our nervous tissue functions as the body’s communication network. I learned that neurons, the primary cells of the nervous system, transmit electrical and chemical signals called action potentials, allowing rapid communication between the brain, spinal cord, and the rest of the body. Neuroglia, or glial cells, provide essential structural support, nourishment, and protection to neurons, ensuring their proper function. The article’s detailed explanation of neuronal structures, including the cell body, dendrites, axons, synapses, and axon hillocks, helped me visualize how signals travel and are integrated, highlighting the incredible complexity and precision of our nervous system.
Seeing a lot of patients suffering from paralysis and other nervous system disorders has made me truly realize how important this system is and how it affects daily life. Every part of the body contains nerves, and damage to these structures can disrupt communication between the brain, spinal cord, and body, potentially resulting in loss of sensation, impaired movement, or paralysis. Learning about protective mechanisms such as the skull, vertebral column, meninges, cerebrospinal fluid, and the blood-brain barrier underscored how fragile yet resilient our nervous tissues are. This knowledge inspires me to be more mindful of safety and to appreciate the extraordinary role our brain and spinal cord play not only in movement and sensation but in thought, memory, and the seamless coordination of our entire body.