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      The main physiological function of the nasal cavit

      wirter: read 2502 ci time:2012年8月18日 daying

      The main breathing, nasal olfactory function, in addition to protect, resonance, reflection, absorption and excretion of tear function. Breathe normal airflow channels are: outside air through the nasal cavity insulation humidification treatment, is suitable for human physiological needs, otherwise easy to cause respiratory tract.
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      xiyipian: Rhinitis will be contagious what
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      tome:2012年8月18日  
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