4. PATH OF FOOD – MOUTH TO ANUS Path of food through the human digestive system includes the following organs and structures : Mouth – pharynx – esophagus – peristalsis – mucus – sphincter muscles – cardiac sphincter – stomach – pyloric sphincter – small intestine (duodenum, jejunum, ileum) – ileocecal valve – large intestine or colon (cecum, appendix, ascending colon, transverse colon, sigmoid colon) – rectum – anus.
11. TEETH Two sets of teeth develop in sockets within the alveolar processes of the maxillary and mandibular bones. The 20 primary teeth are shed in the order they appeared and are replaced by 32 secondary teeth.
12. Each tooth consists of a crown and a root, and is made of enamel, dentin, pulp, cementum, nerves, and blood vessels. A tooth is held tight in its socket by a periodontal ligament.
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26. PANCREATIC JUICE Enzymes include pancreatic amylase, pancreatic lipase, trypsin, chymotrypsin, carboxypeptidase, and two nucleases. Protein-digesting enzymes are released in an inactive form and are activated upon reaching the small intestine.
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33. SPLEEN Located in the upper left quadrant. Consists of white pulp (lymphoid tissue) and red pulp. Filters and stores blood.
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