chemical digestion - enzymes, acids break down food, mechanical digestion - teeth, tongue, and peristalsis, salivary glands - parotid, submandibular, and sublingual, dentin - middle of teeth; under enamel, pulp - living inner tooth; has nerves, blood, carbohydrates - monomers are sugars/saccharides, lipids - monomers are glycerol & fatty acids, pharynx - top of throat (before esophagus, trachea) , peristalsis - muscle contraction; moves food, esophagus - carries food from mouth to stomach, rugae - folds inside stomach, chyme - made in stomach, food + liquid, lower sphincter of stomach - pyloric, Chief cells - gastric pit: make pepsinogen -> pepsin, parietal cells - gastric pit: make inactive HCl, mucus cells - gastric pit: make mucus,

Mouth & Esophagus Vocabulary

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