LifestyleFacts about BreathingTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoLifestyle01/24/2013January 24, 2013Facts about Breathing We breathe to take in the oxygen we need for cell metabolism and expel carbon dioxide as a waste product. The body's breathing rate is controlled by the respiratory center located in the brain stem.https://p.dw.com/p/17QZVAdvertisement