The period during which blood is pumped out of the atria and into the ventricles is called:
A) atrial systole.
B) isovolumetric ventricular contraction.
C) isovolumetric ventricular relaxation.
D) passive ventricular filling.

Question

Quizplus · Accepted Answer

Atrial systole is the period of time when the atria contract and pump blood into the ventricles. This phase is followed by ventricular systole when the ventricles contract and pump the blood out of the heart.

The Period During Which Blood Is Pumped Out of the Atria