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2015-06-07T19:00:52+08:00

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In the nose and nassal passage way the entering air is made warm,damp,and clean of unknown particles.Next the air moves down through the trachea, bronchi, bronchioles and alveoli.

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2015-06-07T22:09:15+08:00

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The air will enter through the nose and pass nasal passages for the filtering, moistening and warning of the air down to trachea that will go to each alveoli and the exchange of air will happen .
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