Question

Is respiration an exothermic reaction or endothermis.? Please give a good explanation.

Answer 1

Biological respiration is breathing to bring oxygen into the body. It is not a chemical reaction at all, so it is neither exothermic nor endothermic. ... It isexothermic, but not as exothermic as respirationwith oxygen, as the nutrients are not broken down as far, and less energy is released
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Answer 2

During respiration, glucose molecules are converted to other molecules in a series of steps. They finally end up as carbon dioxide and water. The reaction is exothermic because the C=O and O-H bonds in the products are so much more stable than the bonds in the reactants.