01 DEFINITION Cellular respiration Cellular respiration is the exchange of gases (oxygen and carbon dioxide) between blood and cells or within the cell. It is the biochemical pathway to release energy. 02 DEFINITION Respiration and burning Respiration is also called as a process to burn nuteirnts in the presence of oxygen to produce energy. But still different from burning. The difference are as follows: Respiration Burning/combustion 1. It occurs in series of chemical steps i.e., stepped process. It occurs in a single step. 2. It is carried out by enzymes. It is carried out by heat. 3. It is a biochemical process. It is a physiochemical process. 4. Energy is liberated as ATP and heat. Energy is liberated as heat and light. 5. No light energy is produced. Light energy is produced. 6. It takes place inside a cell. It does not takes place inside a cell. 7. It occurs at body temperature. It occurs at high temperature. 03 ...
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