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buhman
| Term | Definition |
|---|---|
| oral cavity | the mouth and begins mechanical digestion and chemical digestion |
| pharynx | the throat and passageway for food and air |
| epiglottis | a flap of cartilage that closes over the trachea during swallowing |
| esophagus | a muscular tube that moves food from pharynx to the stomach using peristalsis |
| stomach | a muscular organ that stores food and mixed it with acid and enzymes for digestion |
| small intestine | a long coiled tube where digestion and nutrient absorption occurs |
| duodenum | first section receives chyme, bile, and pancreatic enzymes |
| jejunum | middle section major site for nutrient absorption |
| iilem | final section, absorbs remaining nutrients |
| cecum | a pouch at the junction of the small and large intestine that holds the ileocecal |
| large intestine | absorbs water and electrolytes forms feces |
| ascending colon | moves contents upward on right side |
| transverse colon | moves contents across the abdomen |
| descending colon | moves contents downward on left side |
| sigmoid colon | s shaped section leading to rectum |
| rectum | stores feces before elimination |
| anus | opening where feces leave the body |
| salivary glands | produce saliva containing enzymes that begin carbohydrate digestion |
| teeth | mechanically break down food through chewing |
| tongue | helps with chewing, swallowing, and tasting |
| uvula | small projection at the back of the throat helping with speech and prevents food from entering the nasal cavity |
| liver | produces bile for fat digestion also detoxifies blood and stores nutrients |
| pancreas | produces digestive enzymes and bicarbonate for the small intestine |
| appendix | a small structure attached to the cecum involved in immune function |
| upper esophageal | controls passage of food from the pharynx into the esophasgus |
| lower esophageal | prevents stomach acid for refluxing into the esophagus |
| pyloric | controls passage of chyme from the stomach into the duodenum |