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Question : Discuss the advantage of nosebreathing overmouth breathing.

Answer»

Solution :Nasal respiration helpsin : .
(i)Warming of AIR .
(ii) Filtering of air (dust particle are trapped).
(iii) Air- conditioning (Ingoingair is BROUGHT at body temperature ).
(iv) Moistening with evaporated MUCUS.
(v) Sterilizing the air (kills the BACTERIA).
(VI) Increasessurface area for smelling.


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