Question

how many times does a heart beats in an hour​

Answer 1

Explanation:

Our heart beats 4800 times in an hour. This is because it beats 80 times per minute , so, in an hour it beats 80 × 60 times = 4800 times.

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Answer 2

Answer:

4320

Explanation:

1 min= 72

60min= 72× 60

= 4320