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JMT Digestive System

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

Peristalsis   Rhythmic, wavelike, involuntary movement.  
Pharynx   throat  
bolus   food that is chewed and mixed with saliva  
rugae   mucus membrane of the stomach that contains folds  
villi   fingerlike projections  
hydrochloric acid   kills bacteria, changes pepsinogen into pepsin  
chyme   food mixed with gastric juices  
Duodenum   First 9-10 inches of the small intestine  
Esophagus   Muscular tube dorsal to the trachea, pathway for food  
Function of capillaries contained in the Villi   Absorb digested nutrients and carry them to the liver  
Produces cholesterol   Liver  
What do Lacteals do?   Absorb most of digested fats and carry them to the thoracic duct which release them to the circulatory system  
Pancreas   Produces pancreatic juices, insulin and glucagon  
Insulin and glucagon   regulate blood glucose levels,  
Bile   emulsifies fat, stored in the gallbladder, produced in the liver  
Heparin   Produced by the liver, prevents clotting of the blood  
Fibrinogen and Prothrombin   Produced by the liver, aid in clotting of the blood  
Vitamin K   Synthesized in the large intestine, aid in clotting  
Absorption of water and remaining nutrients   Large intestine  
What Vitamins are synthesized and absorbed in the large intestine   Some B complex vitamins  
Uvula   Prevents food from entering the nasopharynx  
The three salivary glands   Sublingual, submandibular, and Parotid  
Where does the digestive process start?   In the mouth  
The three sections of the small intestine in order.   Duodenum, Jejunum and Ileum  
What section of the small intestine is longest?   Ileum then Jejunum then Duodenum  
Detoxifies substances such as alcohol and pepticides   Liver  
Located under the liver   Gallbladder  
Located behind the stomach   Pancreas  
Storage area for indigestables and waste   The rectum  
Parts of the colon in order   Ascending, transverse, descending, sigmoid  
Anus   The final waste product is expelled  
Parts of the Alimentary Canal   Mouth, tongue, teeth, tongue, hard and soft palate,salivary glands, pharynx, esophagus, stomach, small intestine and large intestine  
Bony structure that forms the roof of the mouth   Hard palate  
Separates mouth from nasal cavities, posterior to hard palate   Soft palate  
Amylase   Enzyme secreted in the mouth begins break down of carbohydrates  
Prothrombin   Produced by the liver, aids in clotting of blood  
Heparin   Produced by the liver PREVENTS blood from clotting  
Fibrinogen   Produced by the liver, in the clotting of blood  
What section of the large intestine is connected to the ileum?   Cecum  
The cecum contains a small projection called the?   Appendix  
What section is longer the small intestine or large intestine?   Small approx. 20feet, large is approx 5 feet  
Sugar that is the main source of energy in the body   Glucose  
Sugar that is stored in the liver, broken down to glucose for energy   Glycogen  
Hormone produced by the Pancreas, triggers a rise in blood sugar levels   Glucagon  
What does the digestive systme produce to aid in clotting?   Liver produces Fibrinogen and Prothrombin, Large intestine synthesizes Vitamin K  
How does pepsinogen change to pepsin   Hydrochloric acid, produced by the parietal cells activates the pepsinogen to become pepsin  
Why would the inside of stomach appear smooth?   Because the rugae has disappeared to allow the stomach to increase in size  
What is the name of the sphincter between the stomach and the esophagus?   Esophogealgastric sphincter  
What is the name of the sphincter between the stomach and the duodenum?   Pyloric sphincter  


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