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 process through which the cells of our body produce the energy that is required for performing many important tasks. Each cell of our body utilizes the food we eat by respiration to break down the glucose present in the food into usable energy.