khawaynegordon13
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Explain why vigorous exercise causes the heart rate to increase and you to also breathe faster.

Sagot :

Missjo126

Answer:

When you are exercising, your muscles need extra oxygen—some three times as much as resting muscles. This need means that your heart starts pumping faster, which makes for a quicker pulse. Meanwhile, your lungs are also taking in more air, hence the harder breathing.

Explanation:

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