what is respiration
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It is a metabolic process , wherein the living cells of an organism obtains energy (in the form of ATP) by taking in oxygen and liberating carbon dioxide from the oxidation of complex organic substances.
In case, you are confused between breathing and respiration. Breathing is simply taking in O2 and then exhaling CO2. While respiration is taking in 02 and using it to obtain energy in the form of ATP
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