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In human beings respiration is performed by lungs and respiratory system. The exchange of carbon dioxide and oxygen take place in alveoli, carbon dioxide is exhaled out. The cycle begins again with next breath.
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Respiration. All living organisms must be capable of releasing energy stored in food molecules through a chemicalprocess known as cellular respiration. In aerobic respiration, oxygen is taken up and carbon dioxide is given out.It is not a simple process as breathing. it is complex proces.
Respiration. All living organisms must be capable of releasing energy stored in food molecules through a chemicalprocess known as cellular respiration. In aerobic respiration, oxygen is taken up and carbon dioxide is given out.It is not a simple process as breathing. it is complex proces.
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