what do you mean by respiration
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Respiraton is a metabolic process by which an organism obtains energy (in the form of ATP) by oxidizing nutrients and releasing waste products.
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a process by which living things produce energy from food. Respiration usually needs oxygen. Respiration is a biochemical process which includes breathing and oxidation of food with the release of energy. Breathing means taking in air rich in oxygen and giving out air rich in carbon di oxide.
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