The main function of the respiratory system is to __________

Question

Group of answer choices

carry messages and impulses to the heart and lungs.

supply the body with carbon dioxide and rid the body of oxygen.

Truekeep the heart beating and pumping blood throughout the body.

supply the body with oxygen and rid the body of carbon dioxide.

Answer 1

The main function of the respiratory system is to supply the body with oxygen and rid the body of carbon dioxide.