edith8020 edith8020
  • 02-12-2020
  • Biology
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what is a good hypothesis for, how does heart rate change during and after an exercise is performed for two different periods of time?

what is a good hypothesis for how does heart rate change during and after an exercise is performed for two different periods of time class=

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Ant733
Ant733 Ant733
  • 02-12-2020
As you workout your heart rate will increase because you need oxygen.
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