Question

Why is respiration and digestion considered and exothermic reaction? Explain

Answer 1

Respiration and digestion is considered as exothermic reaction because when it undergo in chemical process it realeses energy and the reaction in which energy is released is called exothermic reaction.... :)

Answer 2

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Respiration is considered as an exothermic reaction because in respiration oxidation of glucose takes place which produces large amount of heat energy.

C6H12O6 (aq) + 6O2 (g) → 6CO2 (g) + 6H2O (l) + Energy