Which structure of the oral cavity is composed of skeletal muscle? Lips, hard palate, tongue, vestibule. Structure of the epithelial cells in the small intestine that increase surface area for absorption: Villi, plicae circularis, microvilli, rugae. Which section of the large intestine stores feces prior to defecation? Haustra, cecum, rectum, anus. Which part of the tooth is above the gum? Cementum, pulp, crown, root. Which of the following is found in the laryngopharynx? Nasal concha, palatine tonsil, uvula, none of the above. Which of the following is NOT a salivary gland? Submaxillary gland, sublingual gland, parotid gland, submandibular gland. Which of the following GI tract structures increases surface area for absorption? Submucosa, villi, myenteric plexus, Peyer's patch. Which of the following is secreted by the pancreas? Digestive enzymes, insulin, buffers, all of the above. Which region of the stomach receives food from the esophagus? Body, cardia, fundus, pyloric antrum. Which duct connects with the duodenum at the hepatopancreatic ampulla? Common bile duct, cystic duct, common hepatic duct, none of the above.