Answers

2014-06-09T13:15:11+08:00
The air passes through the NOSE, then to the NASAL PASSAGE -> TRACHEA -> BRONCHI -> BRONCHIOLES ->ALVEOLI :D
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2014-06-09T20:02:42+08:00
Nose --> Nasal pasaggeway --> trachea --> Bronchi --> Bronchioles --> Alveoli
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