why are values needed in heart? give one structural and functional difference in artery and vein.
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The structural and functional differences between arteries and veins are mentioned below:
Explanation:
- Valves are needed in the heart do that the backward flow of blood can be prevented.
- One structural difference between arteries and veins is that arteries are more thicker than veins.
- One functional difference between arteries and veins is that arteries carry oxygenated blood from the heart to all other body parts except the pulmonary artery. On the other hand, veins bring deoxygenated blood from the body o the heart.
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