air entring the nose is generally cold and contains dust particles.how is the air warmed and made full of dust paricles ?

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Solution

Nose contains fine hair like bristles which filter the air entering our nose. These bristles along with mucous, traps all the dust particles and microorganisms present in the air. Nose also contains sinuses, which are able to filter and warm the air going inside. The air is warmed according to the temperature of the body.

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