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Which structure is directly involved in gas exchange?
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1 vote
Which structure is directly involved in gas exchange?

User Andrew Olney
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2 Answers

5 votes

Answer:

alveoli

Step-by-step explanation:

User Oshrib
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5 votes
I would say the alveoli. They are tiny air pockets in the lungs: this is where the diffusion of oxygen and carbon dioxide occurs.

Hope this helps! x
User Irwan
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