Question | Answer |
The digestive tract AKA: | The gastrointestinal tract |
The 4 functions of the digestive system: | -ingestion
-digestion
-absorption
-elimination |
Oral: | pertaining to the mouth |
Chewing: | Mastication |
The 3 salivary glands: | -parotid
-submandibular
-sublingual |
Pharynx: | throat |
Peristalsis: | the involuntary, progresive, rhythmic contraction of muscles in the wall of the esophagus propelling bolus down toward the stomach. |
The 3 main parts of the stomach: | -the fundus
-the body
-the antrum |
Regurgitating: | flowing backward from normal direction |
Rugae: | folds in the mucous membrane lining the stomach |
Rugae contain digestive glands that produce: | the enzyme pepsin & hydrochloric acid |
Food leaves the stomach... | in 1-4 hours |
The small intestine has 3 main parts: | -duodenum, only about 1 foot long
-jejunum
-ileum |
Villi: | Millions of tiny microscopic projections that line the walls of the small intestine |
3 main parts of the large intestine: | -the cecum
-the colon
-the rectum |
The appendix: | hangs from the cecum (useless) |
Defecation: | the expulsion or passage of feces from the body through the anus |
Gallbladder: | a pear-shaped, sac under the liver |
Pancreas: | a dual organ, working both in the digestive & endocrine system |
Anorexia: | lack of appetite |
Borborygmus: | rumbling or gurgling noise produced by movement of gas, fluid or both in the gastrointestinal tract. |
Peptic ulcer: | open sore in the lining of the stomach or duodenum. |
Irritable bowel syndrome (IBS): | (IBS) group of gastrointestinal symptoms associated w/ stress & tension. |