During ventricular systole, the ________ valves ________.
A)AV; open
B)semilunar; close
C)semilunar; open
D)AV and semilunar; close

Question

Quizplus · Accepted Answer

During ventricular systole, the pressure in the ventricles exceeds the pressure in the aorta and pulmonary artery, causing the semilunar valves to open and blood to be ejected from the heart into the arteries. The AV valves close to prevent backflow into the atria.

During Ventricular Systole, the ________ Valves ________

During Ventricular Systole, the Valves