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4. Describe how the respiratory system exchanges carbon dioxide and oxygen in the lungs. Include the words carbon dioxide, lungs, trachea and bronchi in your answer. S.O.S please help me out here!
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4. Describe how the respiratory system exchanges carbon dioxide and oxygen in the lungs. Include the words carbon dioxide, lungs, trachea and bronchi in your answer.

S.O.S please help me out here!

User Maxim Fateev
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Hey there

When you inhale (breath in) air goes into your body from the nose through the trachea and bronchi into the bodies lungs. When you exhale (breath out) carbon dioxide comes out.
User Ravichandran Jothi
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