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Q. The structure(s) that open into the pharynx

Digestion and Absorption

Solution:

• 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 epiglottis prevents the entry of food into the glottis-opening of the wind pipe-during swallowing