Question

define the heartbeat​

Answer 1

Explanation:

1 : one complete pulsation of the heart. 2 : the vital center or driving impulse. 3 : a brief space of time : flash —used chiefly in the phrase in a heartbeat.

Answer 2

Answer:

Heartbeat and pulse: Heartbeat is the rhythmic contraction of the cardiac muscles. There are two heartbeats in one cycle that corresponds to the ventricular systole and the ventricular diastole. Pulse is the peripheral waves felt as a result of the blood pumped out of the heart.