Question

34. What is the function of valve in vein? 1mark​

Answer 1

Answer:

he main function of the valves in veins is to prevent back flow of blood. Blood in the arteries, after being pumped by the heart, are under much higher pressure than blood in veins so there is no need for valves in arteries to prevent back flow.

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Explanation:

Answer 2

Valves in veins ensure that blood does not go back and only goes forward.

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