Question

the time period of the cardiac cycle
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Answer 1

Answer:

The average adult person at rest has 65 to 75 heartbeats (cardiac cycles) per minute. One complete cardiac cycle takes about 0.8 seconds. Atrial systole, where the atria contract and eject blood into ventricles, lasts about 0.1 seconds

Answer 2

hey there...

An average adult person at rest has 65 to 75 heartbeats (cardiac cycles) per minute...

hope it helps...