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Veins have a much lower blood pressure than arteries. Which of these prevents backflow of blood in veins?

A.pressure applied by the heart

B.one–way valves in veins

C.thin muscular walls of veins

Verified Answer :

I Think it would be B One-way valves in veins

Answer:

B. one–way valves in veins

Explanation:

Veins are thin-walled blood vessels as compared to the arteries. The veins are superficially located under the skin in the body. They bring deoxygenated blood to the heart form the body cells. Since the blood pressure in the veins is low, the presence of valves along their length to prevent backflow of blood away from the heart.

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