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

Question

04-04-2021
Biology

Answered

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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

Sagot :

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