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Home  >>  JEEMAIN and NEET  >>  Biology  >>  Human Physiology

1. The heart beats 72 times per minute 2. The duration of a cardiac cycle is 0.08 seconds. Regarding 1 and 2 :


( A ) 1 is correct but 2 is incorrect
( B ) 1 is incorrect but 2 is correct
( C ) Both are incorrect
( D ) Both are correct
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1 Answer

(A) is the right answer.

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 0.8 seconds.
answered Apr 3, 2014 by pady_1
 

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