Question

what is the main function of respiratory system?​

Answer 1

The main function of the respiratory system is to breathe in oxygen for respiration and to breathe out carbon dioxide.

To provide energy to the body by breaking down the food particles.

MARK BRAINLIEST

Answer 2

Answer;

Lungs and Respiratory System ;-

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.