To prevent the entry of food into the trachea the opening is guarded by

soft palate

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glottis

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epiglottis

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hard palate

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Solution

The correct option is C epiglottis
Correct option: (a) epiglottis.

Epiglottis is located on the top of the larynx which prevents the entry of food into the trachea or windpipe.

Epiglottis is a leaf-like structure that covers the larynx during swallowing by covering the glottis (opening of the larynx).

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