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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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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 Mike Abdullah
by
3.6k points

1 Answer

4 votes
2 respiratory system is mainly used for respiration which is allowing o2 in and pushing co2 out
User VincenzoC
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