what is the function of human respiratory system
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The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are lungs, which carry out this exchange of gases as we breathe.
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The function of human respiratory system
Respiration is a a process in which the respired oxygen is used in the oxidation of food resulting in release of energy .
breathing rate of human =18-20 per minute.
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