Question

how many times does the cardiac cycle repeat in a minute?
60 - 100
20 - 60
40 - 80
80 - 120
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Explanation:

The cardiac cycle refers to the sequence of events that occur when the heart beats. The normal resting heart rate (which is equivalent to the number of cardiac cycles per minute) for adults is typically in the range of 60 - 100 beats per minute.

Answer:

60 - 100