What is the primary function of the respiratory system?

Question 3 options:

To facilitate the exchange of oxygen and carbon dioxide

To pump blood throughout the body

To filter air and remove toxins

To regulate body temperature

1 answer

The primary function of the respiratory system is:

To facilitate the exchange of oxygen and carbon dioxide.

This system is responsible for taking in oxygen from the air and expelling carbon dioxide from the body, which is a vital process for maintaining cellular respiration and overall metabolic function.