The respiratory system is a structurally complex arrangement of organs designed principally for the intake of oxygen and the elimination of carbon dioxide, i.e., respiratory gas exchange or “respiration.”consists of the chest wall structures responsible for moving air in and out of the lungs and the airways that carry inhaled air to the alv…[Read more]

Most veins have valves that open and close. The valves control blood flow and keep your blood flowing in one direction. About 75% of your blood is in your veins. Veins, unlike arteries, have valves that ensure blood only travels in one way.

Blood Vessels: Types, Anatomy, Function &…

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Pulmonary veins. The pulmonary circuit carries deoxygenated blood from your heart to your lungs. …
Systemic veins. The systemic circuit carries deoxygenated blood from the rest of the body back to your heart, where it then enters the pulmonary circuit for oxygen.

Venous System: Vein Anatomy and Function, Vein Types,…

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Your arteries are thicker and stretchier to be able to handle the higher pressure of blood moving through them. Your veins are thinner and less stretchy. This structure helps veins move higher amounts of blood over a longer time than arteries.

Arteries vs. Veins: What’s the Difference?

https://www.webmd.com/heart/difference-bet…

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Blood flows from the capillaries into very small veins called venules, then into the veins that lead back to the heart. Veins have much thinner walls than do arteries, largely because the pressure in veins is so much lower. Veins can widen (dilate) as the amount of fluid in them increases.

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Similarities between arteries and veins are both transport blood throught the body and experience blood pressure

Arteries: transporting oxygenated blood away from the heart. It locates deeper within your body and have thick elastic wall

Vein: transport deoxygenated blood from other organ back to the heart. It locates much closer to the skin surface, have thin, non-elastic and less muscular walls.

Your digestive system is made up of a series of organs that allows your body to get the nutrients and energy it needs from the food we eat. As food travels through the digestive system it is broken down, sorted, and reprocessed before being circulated around the body to nourish and replace cells and supply energy to our muscles.

Digestion…[Read more]

Hypertension is abnormally high blood pressure in the arteries, which are the blood vessels that carry blood from the heart to the rest of the body.Blood pressure is considered high when the measurement is 130/80 mmHg or greater.

Hypertension: MedlinePlus…

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