The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation).

Lungs and Respiratory System (for Teens) | Nemours KidsHealth

https://kidshealth.org/en/teens/lungs.html

Each day you breathe about…

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What are the three main differences between arteries and veins?
Answer: The three main differences between arteries and veins are their location, direction of blood, wall thickness and oxygen content. Arteries carry blood away from the heart while veins push deoxygenated blood back to the heart (WebMD editorial contributors, 2024). Arteries have…[Read more]

The cardiovascular or circulatory system is designed to ensure the survival of all cells of the body at every moment and it does this by maintaining the immediate chemical environment of each cell in the body (i.e., the interstitial fluid) at a composition appropriate for that cell’s normal function. The term “homeostasis” is used to denote the…[Read more]

The digestive system, comprising the gastrointestinal tract (GI), liver, pancreas, and gallbladder, assists the body in processing food. Digestion plays a crucial role in breaking food down into nutrients that your body requires for energy, growth, and cellular repair.

Certain digestive disorders and conditions are acute, persisting for only a…[Read more]

The digestive system includes the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus. It also includes the salivary glands, liver, gallbladder, and pancreas, which make digestive juices and enzymes that help the body digest food and liquids

How the Digestive System Works | 3D Animation -…

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An electrical impulse known as cardiac rhythm is produced by highly specialized fibers in the myocardium that are able to spontaneously produce and propagate an electrical impulse.

Hypertension is defined as elevated pressure in the blood vessels, specifically at 140/90 mmHg or above. It is frequently seen, yet can become severe if left untreated. Individuals who have elevated blood pressure levels might not experience any noticeable symptoms. The sole method to determine is by having your blood pressure examined.

The measure of something\’s quality is its relative excellence. Stated differently, its level of perfection. When applied to individuals, it denotes one or more distinguishing qualities that they have (Habib, 2020).

The muscular system is vital to our bodies because it enables us to perform movements.

How your muscular system works – Emma Bryce – YouTube

https://m.youtube.com/watch?v=VVL-8zr2hk4&pp=ygUPbXVzY3VsYXIgc3lzdGVt

Check out our Patreon page: https://www.patreon.com/tededView full lesson:…

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