Question

why do we sneeze when we inhale dust laden air​

Answer 1

Answer:

By sneezing, our body tries to expel the dust particles from the air we inhaled so that only clean air enters our body.

Explanation:

Hope it helps you

Answer 2

Answer:

we sneeze when we inhale dust laden air to expel out these foreign particles . these particles get past the hair in the nasal cavity and irritate the linning of cavity which tiggers a message to the brain. the brain instruct the nasal chamber to initiate sneezing.