In a four-chambered heart,which of the following would have the thickest muscle?
A) right atrium
B) left atrium
C) right ventricle
D) left ventricle
E) both ventricles would have equally thicker muscle than the atria

Question

Quizplus · Accepted Answer

The left ventricle has the thickest muscle because it needs to pump oxygenated blood to the entire body under high pressure, whereas the right ventricle only needs to pump deoxygenated blood to the lungs which is under much lower pressure.

In a Four-Chambered Heart,which of the Following Would Have the Thickest