Question

10. What prevents Backflow of
Blood inside the heart during
Constraction
O Valves in Heart
O
Thick muscular walls of
ventricles
O Thin walls of Atria
O All of the above
Required​

Answer 1

Answer:

The valves of the heart are located within the chambers of the heart. It prevents the backflow of the blood. The opening and closing functions of the valves are controlled by pressure differences generated within the heart, as well as some muscles located within the heart. So, the correct answer is option A.

Explanation:

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