Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?
A) Left atrioventricular valve
B) Aortic semilunar valve
C) Right atrioventricular valve
D) Pulmonary semilunar valve
E) None of the choices is correct.

Question

Quizplus · Accepted Answer

The aortic semilunar valve prevents the backflow of blood into the left ventricle when the ventricles relax.

Which Valve Prevents the Backflow of Blood into the Left