The normal human heart beats at the rate of ....times/min. - Study24x7
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41 followers study24x7 09 May 2020 12:39 PM study24x7 study24x7

The normal human heart beats at the rate of ....times/min.

A

32 to 40

B

42 to 50

C

52 to 60

D

72 to 80

Class 7 Class 8
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