Why should we always breathe through our nose and not through our mouth ?

Your friend has answered correctly- We should always breathe through nose because our nose contain mucus and hairs which trap dust particles and other harmful agents thereby  protecting us from different infections.

@adi:- Good answer, keep contributing!!

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WE should braethe through our nose not thruogh our mouth because in our nose their are millions of hairs which purify  the inhaled air and do not damage our lungs.


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