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Why do you breathe faster during increased activity?
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Why do you breathe faster during increased activity?

User Hirolau
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2 Answers

4 votes
You’re putting your body to work which increases the heart rate causing you to breathe more.
User Nemanja
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9.1k points
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Because to move faster or longer, your muscles and heart need to work harder. And because they are working harder, they need more oxygen. Therefore, we breathe harder.
User Bsnyder
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8.3k points
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