When dust particles irritate the lining of the nasal cavity, we tend to _____.

Sneeze

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Speak

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Choke

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Snort

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Solution

The correct option is A Sneeze
The air around us has several pollutants present in form of solid and liquid particles. When we inhale, these particles get trapped in the hair present in our nasal cavity. However, sometimes they might pass through the hair and irritate the lining of the cavity. This results in sneezing. Sneezing expels out the unwanted particles and the clean air enters our body.

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The lining of the nasal chamber has mucus which prevents pollen and dust particles from entering into the lungs.

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