How many times does the average adult heart beat per minute while at rest?
(a) 40
(b) 120
(c) 70
(d) 90

Correct Answer: (c) 70

Explanation:

 Heart beat: One complete contraction and relaxation of the heart is called a heartbeat. The usual heartbeat rate at rest in a healthy person is 72 times /minute.

The heart beats faster when a person runs for a while as the body needs more energy under these conditions.

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Updated on: 12-Jan-2023

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