Question

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

Answer 1

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. ... Sneezing expels the foreign particles from the inhaled air and dust-free clean air enters our body.

Answer 2

Answer:

Explanation:

The dust particles enter inside the nasal cavities. These dust particles are trapped by the hair present in the nostrils. The dust particles being the foreign particles hence, the body will produce an immune response to expel out these dust particles out of the body. Thus the body sneezes and expel out these particles out of the body.