8. How many times does the heart of a normal human being beat in a minute's time?
a , 50
b , 60
c , 72
d , 82
Answers
Answered by
0
Answer:
60
Explanation:
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness.
Answered by
0
Answer:
answer is 60
Explanation:
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