Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of
A
tongue
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B
epiglottis
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C
diaphragm
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D
neck
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Solution
The correct option is B epiglottis During swallowing, glottis can be covered by a thin elastic cartilaginous flap called epiglottis to prevent the entry of food into the wind pipe. But sometimes, improper movement of epiglottis while swallowing food causes sudden coughing.