Science, asked by rajk566074, 6 months ago

what prevents the backward flow of blood in veins

Answers

Answered by Anonymous

3

Explanation:

Blood passes through a valve before leaving each chamber of the heart. The valves prevent the backward flow of blood.

Answered by Avantika2006

3

Answer:

Valves prevent the backflow of blood in veins

plz mark me as brainliest if the answer helped

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