Question

how many times our heart beat

Answer 1

When you exercise, your heart beats much faster, because it has to pump blood faster to supply your body's cells with the oxygen and nutrients they need to function during exercise. If you use an average of 80 beats per minute, your heart beats about 4,800 times per hour. That's a whopping 115,200 times per day.

Answer 2

here is your answer
your answer is
per minute =80
per hour =4,800
per day =115,200
hope it's help you
and a normal body take 60 to 100 beat in per minute