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How you breathe in air?

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Anonymous

14y ago
Updated: 8/18/2019

you breathe in something called oxygen and then breathe out something called carbon dioxide. Inside your body the oxygen gets running through your blood vessels ans heart and muscles. then even though you breathe in a bit of carbon dioxide- you breathe more out than in! :)

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Wiki User

14y ago

What else can I help you with?