velazquez6612 velazquez6612

02-05-2018
Biology

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What are the two parts of respiratory system and their parts?

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TwentyOnePilotsBest TwentyOnePilotsBest

02-05-2018

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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