Answers

2014-12-18T18:20:30+05:30
Nostrills--nasal chamber--pharynx--trachea--larynx--bronchi--bronchioles--alveoli
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2014-12-18T23:00:28+05:30
Nostrils------->nasal chamber-------> larynx--------> pharynx--------->glottis----->  epiglottis--------> trachea--------> brounchi----> brounchioles---------> alveolia
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