Define respiration. why is it called a chemical process?
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it is a chemical change because it is taking in oxygen and utilizing it to release energy as energy is released so it is a chemical change whereas breathing is a physical change as it is just taking in oxygen.
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A process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances is known as respiration. It is a chemical change because it is taking in oxygen and utilizing it to release energy as energy is released so it is a chemical change whereas breathing is a physical change as it is just taking in oxygen.
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