Question

Why do we often sneeze when dust particles enter our nose?

Answer 1

Answer:

Answer: When we inhale air containing dust particles, the particles get trapped in the hair present in out nostrils. Sometimes, these particles may pass through the hair and enter the nasal cavity. The irritate the mucus lining of the nasal cavity, and as a result we sneeze.

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Answer 2

we sneeze when dust partials enter our nose because hair present in our nose stop entering unwanted materials in out nose but sometime dust particles are so small ,they enter in our nose and irritate our noserilles