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. 1  act or process of respiring; breathing; inhaling and exhaling air. 2  the processes by which a living organism or cell takes in oxygen from the air or water, distributes and utilizes it in oxidation, and gives off products of oxidation, esp. carbon dioxide. The process of inhaling and exhaling; breathing, breath. 2  An act of breathing; a breath. 3  Any similar process, in organisms that lack lungs, that exchanges gases with its environment.