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Anvisha [2.4K]
2 years ago
15

PLZZ HELPImagine you had to engage in extreme physical exertion—say, running a few miles or doing a lot of sit-ups. What will ha

ppen to your heartrate? Why does your body need to change the way it behaves?
Biology
1 answer:
timofeeve [1]2 years ago
3 0
Physical activity causes an increase in your heart rate. Your body have to change the way it behaves so you don’t get ill or sick or pass out during physical exertion
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I do not really have an explanation but I hope this helps :)

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