Question

In human beings duration of cardiac cycle is

• A. 0.08 second
• B. 0.8 second
• C. 0.5 second
• D. 8.0 second.

Answer 1

Answer: (B)

0.8 second

Cardiac cycle is refers to the events of one complete heart beat.

For completing 72 beats of heart,

taken time is 60 sec.

For 1 beat, time will be = (60/72) sec

=0.8 sec

Therefore, total duratiom of each cardiac cycle = 0.8 sec.

So, the correct answer will be option B.