First slide

Circulatory Pathways

Question

The normal duration of a cardiac cycle is about

Easy

A

0.6 seconds
B

0.8 seconds
C

1.0 seconds
D

1.2 seconds

Solution

The heart beats 72 times per minute, i.e., that many cardiac cycles are performed per minute. From this it could be deduced that the duration of a cardiac cycle is about 0.8 seconds.

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