Answered

3. Which is the main function of the respiratory system?
to help oxygen get into blood vessels
to protect the internal organs
O to protect the body from illness
О
O to push blood to all parts of the body



Answer :

GinnyAnswer

Final answer:

The main function of the respiratory system is to provide oxygen to body tissues and remove carbon dioxide.


Explanation:

The main function of the respiratory system is to provide oxygen to body tissues for cellular respiration, remove carbon dioxide, and help maintain acid-base balance. Additionally, the respiratory system is involved in non-vital functions such as sensing odors and speech production.


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