Question

Why atrium possess thin muscular walls?

Answer 1

Answer:

cuz they dont have to exert to much force

Explanation:

as compared to ventricles, whichhave thickwalls to pump blood to whole body, the atria have thinwalls

Answer 2

Answer: The ventricles of the heart have thick muscular walls than the atria.

This is because blood is pumped out of the heart at greater pressure from these Chambers compared to the atria.

So Atrium possess thin muscular walls.

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