Which is the main function of the respiratory system?
1. to protect the internal organs
2. to...
Biology, 05.04.2021 05:50 skywil8981
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
Answers: 3
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