| A | B |
| Digestive System | Alimentary canal |
| Oral cavity | mouth, lips, palates, salivery glans, tongue, teeth, and the peridontium |
| Cheil/o | lips |
| Uvula | hangs from the free edge of the soft palate |
| edentulous | without teeth |
| gingiva | also known as the gums, surrounds the teeth, covers the bone of the dental arches |
| duodenum | the first portion of the small intestine, extends from the pylorus to the jejunum, digestive fluids from the pancreas and liver are received |
| Jejunum | The middle portion of the intestine, extends from the duodenum to the ileum, secretes large amounts of digestive enzymes |
| ileum | Last and longest portion of the small intestine |
| Small intestine | Extends from the pyloric sphincter to the first part of the large intestine. |
| Large intestine | Extends from the end of the small intestine to the anus. |
| Cecum | A pouch that lies on the right side of the abdomen,extending from the end of the llem to the beginning of the colon |
| Vermiform appendix | commonly called the appendix hangs from the lower portion of the cecum. |
| ascending colon | travels upward from the cecum to the undersurface of the liver |
| transverse colon | psses horizontally from the right to the left toward the spleen |
| descending colon | travels down thw left side of the abdominal cavity to the sigmoid colon |
| sigmoid colon | an S-shape structure that contines from the descending colon above and joins with the rectum below |
| rectum | last division of the large intestine,ends at the anus |
| anus | is the lower opening of the digestive tract,Waste flows through the anus,is controlled by two anal sphincter muscles |
| anorectal | the anus abd rectum as a single unit |