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Question

The structure, which prevents entry of food into wind pipe during swallowing in mammals is

A
Larynx
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B
Glottis
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C
Epiglottis
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D
Pharynx
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Solution

The correct option is C Epiglottis
The oral cavity leads into a short pharynx, which serves as a common passage for food and air. The oesophagus and the trachea (wind pipe) open into the pharynx. A cartilaginous flap, called as epiglottis, prevents the entry of food into the glottis opening of the wind pipe during swallowing.

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