The cardiac cycle proceeds in a series of 5 phases. Identify the phase of cardiac cycle for the state when atria are in systole, and ventricles in diastole.

Question

Quizplus · Accepted Answer

During atrial contraction phase, the atria contract and pump blood into the ventricles, while the ventricles are relaxed and filling with blood (ventricles in diastole). This marks the end of the ventricular diastole and the beginning of the ventricular systole.

The Cardiac Cycle Proceeds in a Series of 5 Phases