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.
Breathing is the process in which living organisms take in oxygen and give out carbon dioxide.  Respiration is the process in which the glucose is burnt in the presence ofâ¦ oxygen to produce carbon dioxide, water and energy .