3 years ago

Name the four principle functions of the respiratory system

2 answers:

3 0

<span>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.</span>

yanalaym [24]3 years ago

3 0

The primary organs of the respiratory system are lungs.

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