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All of the questions

All of the questions
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1 vote
All of the questions

All of the questions-example-1
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User Davidmdem
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1 Answer

4 votes
1. Oxygen
2. CO2 and H2O
3. Oxygen

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Oxygen, nasal passage or mouth, nostrils, larnyx, trachea, bronchi, bronchioles, alveoli, chest cavity, diaphragm.
answered
User Seybo Glaux
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8.5k points
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