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Which describes gas exchange in the respiratory system?

A. Gas exchange happens through diffusion.
B. Gas exchange removes oxygen from the body.
C. Gas exchange occurs between the body’s cells and bronchi.
D. Gas exchange protects the body against foreign invaders.

2 Answers

2 votes

Answer:

A

Step-by-step explanation:

User Stoic
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1 vote

Answer:

A.

Step-by-step explanation:

A. Gas exchange happens through diffusion.

User Anthony Grist
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7.6k points

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