why do we often sneez when we inhale a lot of dust laden air?
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Explanation:
When we inhale air containing dust particles, the particles get trapped in the hair present in nostrils. Sometimes, these particles may páss through the hair and enter the nasal cavity. They irritate the mucus lining of the nasal cavity, and as a result we sneeze.
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Answer:
Sneezing expels the foreign particles from the inhaled air, so that only clean air enters our body. It usually occurs because of the irritation in the upper breathing passage. This irritation happens when we inhale some unwanted particles and they get trapped in our nasal cavity. Smoke, dust, pollen, etc. are some of the unwanted particles that may cause sneezing.
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