Question

11 IULIUCI.
HOTS
What happens when the heart beats? Find out whether the
heartbeat increases or decreases when we do exercise. Explain.​

Answer 1

Answer:

increases

Explanation:

because when we do exercise heart beat will increases

Answer 2

Answer:

During exercise, your body may need three or four times your normal cardiac output, because your muscles need more oxygen when you exert yourself. During exercise, your heart typically beats faster so that more blood gets out to your body.

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