Question

Why is respiration considered an exothermic reaction???

Answer 1

Answer:

Any reaction that evolves heat as a by-product of the reaction is called an exothermic reaction. ... Therefore, respiration is an exothermic reaction and the heat produced is distributed throughout the body as energy and that is the reason when we breathe out or breath is warm.

Answer 2

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Respiration is a slow process of combustion in which the heat energy in the form of ATP is released with the formation of carbon dioxide and oxygen gases. Thus, the respiration is considered as exothermic reaction.