The pharynx serves as a common passageway for the digestive and respiratory tracts,and is lined with a keratinized epithelium to protect against abrasion.

Name: The pharynx serves as a common passageway for the digestive and respiratory tracts,and is lined with a keratinized epithelium to protect against abrasion.
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The pharynx is lined with a non-keratinized epithelium to allow for easier movement of food and air, and to facilitate gas exchange in the respiratory tract.

The Pharynx Serves as a Common Passageway for the Digestive