Define breathing. State the differences between breathing and respiration.
Breathing is a physical mechanism in which an organism takes up oxygen from the air and gives out carbon dioxide.
|It is a physical process.||It is a biochemical process.|
|It involves exchange of gases.||It involves exchange of gases along with the oxidation of food.|
|It involves the lungs, where the exchange of gases takes place.||Along with the lungs, it involves the mitochondria of the cells, where oxidation of food takes place.|
Concept: Concept of Respiration
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