Question

Explain why ventricle have thick muscular walls than the atria?​

Answer 1

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Their muscular walls are thicker than the atria because they have to pump blood out of the heart. ... This is because the left ventricle has to pump blood at a higher pressure so that it reaches all areas of the body (including the fingers and toes) but the right side only has to pump blood to the lungs.

Answer 2

Answer:

The pressure in the ventricles is low than the pressure in the atria as the ventricles should carry the deoxygenated blood to the lungs the ventricles needed to push it very hardly so in order to carry the blood this ventricles are having thick walls than atria.