The walls of the ventricles are much thicker | vedclass

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Question

(A) The walls of the ventricles are much thicker than those of the atria because the ventricles are responsible for pumping blood out of the heart int

Vedclass · Accepted Answer

They have to pump the blood

Vedclass · Answer

(A) The walls of the ventricles are much thicker than those of the atria because the ventricles are responsible for pumping blood out of the heart into the pulmonary artery and the aorta. This process requires generating high pressure to circulate blood throughout the body and to the lungs. In contrast,the atria only function to receive blood from the veins and pass it into the ventricles,which requires significantly less muscular force,hence they are thinner.

The walls of the ventricles are much thicker than those of the atria because

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