Anatomy of the Digestive System

(mouth) is the part of the digestive tract bounded by the lips, fauces (opening into the pharynx), cheeks, and palate. 2. The vestibule is the part of the oral cavity between the lips or cheeks and the alveolar processes. Lips and Cheeks. 1. The lips are muscle (orbicularis oris) covered by keratinized stratified squamous epithelium. ................
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