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. Respiration is the process of breaking down oxygen in the cellular level to produce energy. It is an active process, which occurs in the cellular level. Respiration uses oxygen to produce energy and produces carbon dioxide and water as waste products.