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.
6 carbon dioxide and 6 water. Respiration may be defined as: 1. the act of breathing (inhaling and exhaling) air in order to obtain oxygen and excrete carbon dioxide. 2. the cellular metabolic process by which cells use oxygen and food to produce ATP energy that powers life activities.