| A | B |
|---|
| digestive system functions | digestion, absorption, eliminate wastes |
| digestive tract, gastrointestinal tract | the tube that carries food from entrance to exit |
| accessory organs | contribute something to the digestive tract |
| lumen | the opening in the digestive tract that food moves through |
| mucosa | lines the digestive tract |
| submucosa | CT with blood vessels and nerves below the mucosa |
| smooth mm | circular and longitudinal layers around the submucosa |
| peritoneum | serous membrane of the abdomen |
| visceral peritoneum | surrounds the GI tract |
| messentery | suspends the intestines in the abdomen |
| mastication | chewing |
| deglutition | forming a bolus and swallowing |
| nasopharynx | the throat behind the nasal cavities |
| oropharynx | the throat behind the mouth |
| laryngeal pharynx | the throat above the larynx |
| pharynx | the throat |
| peristalsis | a wave of muscular contractions to move food |
| segmentation | longitudinal mm contract to move food back through a part of GI tract |
| sphincters | circular mm that close a tube or vessel |
| small intestine | to finish most digestion and most nutrient absorption |
| duodenum | 1st part of small intestine, pancreatic liver secretions added here |
| jejunum | middle portion of small intestines |
| ileum | last portion of small intestines |
| villi | finger-like extensions of mucosa to aid in absorption |
| lacteal | specialized lymphatic capillary to absorb fats. in villus |
| colon or large intestine | bacterial digestion, water & some nutrient absorption |
| appendix | stores good bacteria, lymphatic tissue |
| cecum | sac at start of colon |
| ascending colon | moves fecal matter up |
| transverse colon | moves fecal matter across abdomen |
| descending colon | moves fecal matter down |
| sigmoid colon | "S" shaped portion after descending colon |
| rectum | storage area at end of colon |
| salivary glands | add saliva for digestion and moistening food |
| liver | creates bile from bilirubin for emulsifying fats |
| gall bladder | stores bile |
| pancreas | releases enzymes and sodium bicarbonate into GI tract |
