During one cardiac cycle, the ventricles spend most of their time in ________.
A) systole
B) contraction
C) fibrillation
D) diastole
E) depolarization

Question

Quizplus · Accepted Answer

During diastole, the ventricles are relaxed and filling with blood. This phase of the cardiac cycle takes up the majority of the time, as the atria need to fill the ventricles with blood before the next contraction (systole).

During One Cardiac Cycle, the Ventricles Spend Most of Their