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DigestiveSystem
Anatomy
| Question | Answer |
|---|---|
| Organs of Alimentary Canal | Mouth, Pharynx, Esophagus, Stomach, Small Intestine, Large Intestine, Rectum, Anus |
| Teeth | Grind food and break it down (mechanical digestion) |
| Tongue | Move food around, taste the food, roll it into a bolus and push it back to the throat |
| Pancreas | Produces and secretes bile |
| Gallbladder | Stores excess bile |
| Salivary glands | Secrete mucus , enzymes such as salivary amylase |
| Salivary amylase, where, what does it break down | Mouth, carbs |
| Pepsin, where, what does it break down | Made in pancreas, protein |
| Trypsin, where, what does it break down | Digests in small intestine, proteins |
| Bile Salts | Made by liver, lipids |
| Masticate | to chew |
| Pyloric sphincter | separates stomach from small intestine |
| Cardio-esophageal sphincter | separates stomach from esophagus |
| Lesser omentum | membrane above the stomach |
| Greater omentum | lacy apron riddled with fat hanging below the stomach |
| Peristalsis | muscular contractions that move like an inch worm to push food through the esophagus and intestines |
| Chyme | food mixed with stomach juices that is passed into the small intestine |
| Hydrochloric acid | acid made by parietal cells in the stomach to kill pathogens, activate pepsinogen into pepsin |
| Parts of the small intestine | In order- duodenum, jejunum, ileum |
| Parts of the large intestine | cecum with appendix that connects to small intestine, ascending colon, transverse colon, descending colon |
| Villi | protrusions in the small intestine that increase surface area and help nutrients absorb faster, contains capillary bed to aid nutrient absorption |
| Mechanical v. chemical digestion | mechanical is physically smashing into smaller bits. Chemical is breaking chemical bonds. |
| Gastrin | hormone that increases the rate of digestion and stimulate peristalsis to push food |
| mucosa lining | innermost layer of the digestive tract composed of mucous membrane. It produces mucus to protect the stomach lining from gastric acid. |
| uvula | mall, fleshy, conical structure hanging down from the soft palate at the back of the mouth. It helps prevent food from entering the nasal cavity during swallowing. |
Created by:
ZoyaC
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