Q: Which system in the body exchanges gases with the outside air?


Read this paragraph and choose the correct option from the provided answers:

The respiratory system is the body system that exchanges gases with the outside air. It brings air containing oxygen into the body for the cells. It also releases carbon dioxide from the cells into the air. This exchange of gases is called respiration.

 Choices:

- immune

- digestive

- vascular

- respiratory


A:
respiratory