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4. What is the major function of the respiratory

system?
A. Take oxygen in and get rid of carbon dioxide.
B. Take carbon dioxide in and get rid of oxygen.
C. Make energy using carbon dioxide
D. Make energy using oxygen

2 Answers

3 votes

Answer:

A

Step-by-step explanation:

User Jan Jungnickel
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3 votes

Answer:

A

Step-by-step explanation:

User Alex Lang
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