Chipmunkle2 Chipmunkle2
  • 19-11-2016
  • Biology
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Why does the human heart rate increase when exercising? science

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nooriimran
nooriimran nooriimran
  • 19-11-2016
Excercise increases the rate at which energy is needed from food. This increases the need for oxygen and food in the body. This is why your pulse rate and breathing rate increase with exercise.
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