Question

Why do we often sneeze when we inhale lot of dust laden-air?
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Answer 1

Yes because once the dirt goes in the nose will kick them out I meant they get out not by the nose kicking them but by us sneezing and also sneezing helps the dust to get out

Answer 2

Answer:

we often sneeze when We inhale dust particles because our body sense that particles inform the brain that this foreign particles which is harmful for the body and brain give signal to the body to sneeze and through the particles out from body.