SchoolEqualsSadLife SchoolEqualsSadLife

26-01-2017
Health

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Name the four principle functions of the respiratory system

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babyinbluejeans babyinbluejeans

26-01-2017

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.

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26-01-2017

The primary organs of the respiratory system are lungs.

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