Question

3.When a person needs extra energy,how does her/his breathing change?​

Answer 1

Answer:

Here's your answer .

Explanation:

• When you're active, your breathing can increase up to about 40-60 times a minute to cope with the extra demand. The delivery of oxygen to your muscles also speeds up, so they can do their job efficiently. The increase in your breathing also makes sure there's no build-up of carbon dioxide in your bloodstream.

Hope it helps u .

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Answer 2

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Explanation:

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