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16 April, 02:15

What are two functions of the respiratory system

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  1. 16 April, 02:36
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    The primary organs of the respiratory system are lungs, which function to take in oxygen and expel carbon dioxide as we breathe. The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. Mar 11, 2016
  2. 16 April, 02:37
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    The lungs high function to take in oxygen and expel carbon dioxide
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