Flashcards in Digestive System Deck (47)
What two structures move the food down into the stomach?
Pharynx and esophagus
What is the pH of the stomach?
What breaks down protein?
Why does the stomach have to be so acidic?
Pepsin only works in an acidic environment
What is the food in our stomach called?
What causes the "squeeze-out" motion of our stomach?
What are these called?
Muscles that run at different angles
A very thick mucus is made from the top of the stomach.
What does it do?
What does it contain?
What are the 2 salivary glands of the mouth? Where are they located?
Parotid gland - top
Submandibular - bottom
Name the organs of the digestive system in order from esophagus to rectum.
Right colic flexure
Left colic flexure
Food passes through what to get from the stomach to the small intestine?
What 2 accessory organs dump into the small intestine? What do they dump?
Pancreas - pancreatic fluids
Gallbladder - bile
What do the pancreatic juices and bile do to the small intestine's environment?
Changes it from acid to alkaline
The small intestine is divided into 3 parts:
What separates the small intestine from the large intestine? (Technically the ileum from the cecum)
What is attached to the cecum?
The large intestine is subdivided into 4 parts:
What does the large intestine terminate with? What does that terminate with?
Name 3 functions of the large intestine.
Dehydrate digested material
Recover water, minerals, and vitamins formed by microbial flora
Compact material for elimination
Name the 4 accessory organs.
What is bile and why is it added?
Bile is an emulsifier that breaks down fat. It is added so that lipase/amylase can work.
Carbohydrates and protein are absorbed by what?
Fat is absorbed by what?
What aids the large intestine in breaking things down to get extra vitamins and minerals?
What does the cystic duct come from and go to?
Comes from gallbladder, goes to common bile duct
What does the hepatic duct come from and go to?
Comes from liver, goes to common bile duct
Where does the common bile duct dump into?
Duodenum - 1st section of small intestine
What is the folded mucus membrane of stomach called?
What is the part of a fold in the interior wall of the intestine called?