expels the foreign particles in inhaled air, which irritate the lining of the nasal cavity.

Crying

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Coughing

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Sneezing

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Solution

The correct option is C Sneezing
The air around us has various types of suspended particles, such as smoke, dust, pollens, etc. They cause irritatation in the lining of the nasal cavity, as a result of which we sneeze and expel them out.

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An unwanted particle inhaled by the nasal cavity:

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