Answers

2016-06-14T22:50:02+08:00
Alveoli
bronchioles
trachea
nasal cavity
bronchi
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2016-06-15T06:09:33+08:00
As I recall,
the grapes represent the alveoli or airsacs
the small branches represent the bronchioles
the two branching large stem represent the bronchi
the large or main stem represent the trachea
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