eparrinello eparrinello

17-04-2020
Biology

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What happens to your breathing when you’re working hard (exercising)?

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Riley9568 Riley9568

17-04-2020

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tillygardiner02 tillygardiner02

17-04-2020

Answer:

It quickens

Explanation:

Your heart rate increases with an increase in activity, bringing more oxygen into the blood; this increase causes you to breath in more air than you would when your body is in a resting state.

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