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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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respiratory system is the system that help us in breathing it contains lungs diaphragram wind pipe and whe we breath it is called repiration respiration mean to give out co2 and inhale 02 when 02 goes in to blood through hemoglobin when it reaches the cell digestive food and o2 mixes and formes 2 things energy and c02 we realease co2 and inhale 02
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