heidi4835 heidi4835
  • 24-10-2017
  • Biology
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Why does your breathing rate increase when you exercise?

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Baekhyun04
Baekhyun04 Baekhyun04
  • 24-10-2017
It’s because your heart speeds up to pump extra food and oxygen to the muscles and beathing speeds up to get more oxygen and to get rid of more carbon dioxide
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