Question

why do we often sneeze when we inhale a lot of dust - laden air?​

Answer 1

When we inhale air containing dust particles, the particles get trapped in the hair present in nostr.ils. Sometimes, these parti.cles may pas.s through the hair and enter the na.sal cavity. They irritate the mucus lining of the nasal cav.ity, and as a result we sneeze.

Answer 2

Answer:

We often sneeze when we inhale dust particles.

Explanation:

When dust particles are inhaled, the get trapped in the nose hairs. Nose hairs trap the dust particles as it is dangerous to inhale it. When the dust particles are trapped in the nose hair it causes a tickling sensation and results in sneeze. When we sneeze, the dust particles come out of our nose and mix with the air.