Answered

The major function of the respiratory system is to:

Aprovide oxygen to the body and eliminate carbon dioxide from the body.
Bcleanse the body of toxins, poisons, and harmful chemicals.
Cmaintain the digestive system of the body so that it can continue to operate.
Dgive the heart the energy it needs to circulate blood.

Verified Answer :

Athe respiratory system involves the lungs and airway, that is bringing the oxygen in and releasing the carbon dioxide

Answer:a. provide oxygen to the body and eliminate carbon dioxide from the body.

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