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Answer:
Breathing is also called ‘external respiration’ as it is an external process of taking oxygen in and throwing carbon dioxide out via respiratory organs.
The process of breathing in all vertebrates consists of highly branches network of tubes that connect the nose and the alveoli.
Breathing in repetitive cycles where the number of respiratory cycles in a minute is called breathing or respiratory rate.
Respiration is also called ‘internal respiration’ as it is an internal process of breaking down complex organic compounds into carbon dioxide and water while releasing energy.
Respiration, unlike breathing, occurs in all living organisms.
It is an involuntary process that occurs automatically if all the reactants for the reactions are available.
Respiration takes place in the mitochondria of all the cells throughout the body.
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