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CBSE Class 7 Answered

Why is it neccesary to keep our nose clean?  
Asked by Pooja12agrawal | 30 Jun, 2019, 05:13: PM
answered-by-expert Expert Answer
  • The nose has many very important functions in the body.
  • It warms, humidifies and purifies the air we breathe.
  • The mucous membrane of the nose protects airways against external environment by filtering particles present in the air.
  • The small nose hairs on the mucous membrane direct these impurities toward the throat and stomach. Sneezing is another way of getting rid of impurities.
  • Proper nasal hygiene helps the mucous membrane protect the body.
  • The nose also helps to project our voice and is responsible for the sense of smell.
  • It is important to keep our nose clean so that all these functions are smoothly carried out.
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