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2015-06-07T15:08:24+08:00

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Nose- the organ through which the air enters and is filtered.
Nasal passages- serve as the channel for airflow through the nose in which the air is warmed and moistened.
Trachea- enables air to get to the lungs.
Bronchi- enable air to pass through.
Bronchioles- allow for the exchange of oxygen and carbon dioxide.
Alveoli- main organ of respiration.

--Mizu
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