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Which is the main function of the respiratory system? 1. to protect the internal organs 2. to help oxygen get into blood vessels 3. to push blood to all parts of the body 4. to protect the body from illness
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14 votes
14 votes
Which is the main function of the respiratory system?

1. to protect the internal organs
2. to help oxygen get into blood vessels
3. to push blood to all parts of the body
4. to protect the body from illness

User Butifarra
by
2.8k points

1 Answer

14 votes
14 votes
2 respiratory system is mainly used for respiration which is allowing o2 in and pushing co2 out
User Lataya
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2.9k points
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