Why do we have fine hairs and mucus inside our nostrils
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The hairs and mucus is for filtration of air
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1 .fine hairs
do not allow pathogens to enter the nose
2. mucus traps bacteria, other germs and depris and prevents them from entering lungs
do not allow pathogens to enter the nose
2. mucus traps bacteria, other germs and depris and prevents them from entering lungs
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