The contractive phase of the heartbeat is:
A) diastole.
B) heart rate.
C) blood pressure.
D) systole.

Question

Quizplus · Accepted Answer

The contractive phase of the heartbeat is systole. This is when the ventricles of the heart contract and pump blood out into the arteries. The opposite phase, when the heart is relaxed and filling with blood, is diastole. While heart rate and blood pressure are related to the heartbeat, they do not specifically refer to the contractive phase.

The Contractive Phase of the Heartbeat Is