TORONTO -. Mike Babcock's first exhibition schedule as coach of the Maple Leafs will take him to some interesting arenas.
There are two types of 'respiration': pulmonary (visible breathing) and cellular (which is not visible). In pulmonary respiration the unwanted gas expelled is mainly carbon dioxide. This is then replaced during the inhalation breathing phase by the oxygen content in the air.
Respiration is the release of energy from glucose in the muscles. When the body is at rest this is aerobic aerobic: With oxygen. respiration. As you exercise you breathe harder and deeper and the heart beats faster to get oxygen to the muscles.