expels the foreign particles in inhaled air, which irritate the lining of the nasal cavity.
A
Crying
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B
Sneezing
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C
Coughing
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Solution
The correct option is B 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.