Question

why do we often sneeze when we inhale a lot of dust laden air please friend answer me please​

Answer 1

Answer:

When we inhale a lot of dust laden air, the dust particles get trapped in the hair present in our nasal cavity. However, sometimes these particles may get past the hair in the nasal cavity. Then they irritate the lining of the cavity, as a result of which we sneeze. Sneezing expels these foreign particles from the inhaled air and a dust free, clean air enters our body.

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Answer 2

Explanation:

• because the inner membrane or layer of our nose is so soft and inexpensed and it is protected with the hairs and when the dust collide with the layer we sneeze.

- @RaunacYadav