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Flashcards in Digestive System Deck (47)
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What two structures move the food down into the stomach?

Pharynx and esophagus

1

What is the pH of the stomach?

2, acidic

2

What breaks down protein?

Pepsin

3

Why does the stomach have to be so acidic?

Pepsin only works in an acidic environment

4

What is the food in our stomach called?

Chyme

5

What causes the "squeeze-out" motion of our stomach?

What are these called?

Muscles that run at different angles

Longitudinal
Circular
Oblique

6

A very thick mucus is made from the top of the stomach.

What does it do?
What does it contain?

Protects stomach

Bicarbonate

7

What are the 2 salivary glands of the mouth? Where are they located?

Parotid gland - top
Submandibular - bottom

8

Name the organs of the digestive system in order from esophagus to rectum.

Esophagus
Stomach
Duodenum
Jejunum
Ileum
Ileocecal valve
Cecum
Ascending colon
Right colic flexure
Transverse colon
Left colic flexure
Descending colon
Sigmoid colon
Rectum

9

Food passes through what to get from the stomach to the small intestine?

Pyloric valve

10

What 2 accessory organs dump into the small intestine? What do they dump?

Pancreas - pancreatic fluids

Gallbladder - bile

11

What do the pancreatic juices and bile do to the small intestine's environment?

Changes it from acid to alkaline

12

The small intestine is divided into 3 parts:

Duodenum
Jejunum
Ileum

13

What separates the small intestine from the large intestine? (Technically the ileum from the cecum)

Ileocecal valve

14

What is attached to the cecum?

Vermiform appendix

15

The large intestine is subdivided into 4 parts:

Ascending
Transverse
Descending
Sigmoid

16

What does the large intestine terminate with? What does that terminate with?

Rectum

Anus

17

Name 3 functions of the large intestine.

Dehydrate digested material

Recover water, minerals, and vitamins formed by microbial flora

Compact material for elimination

18

Name the 4 accessory organs.

Liver
Pancreas
Gallbladder
Salivary glands

19

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.

20

Carbohydrates and protein are absorbed by what?

Villi

21

Fat is absorbed by what?

Lacteals

22

What aids the large intestine in breaking things down to get extra vitamins and minerals?

Bacteria

23

What does the cystic duct come from and go to?

Comes from gallbladder, goes to common bile duct

24

What does the hepatic duct come from and go to?

Comes from liver, goes to common bile duct

25

Where does the common bile duct dump into?

Duodenum - 1st section of small intestine

26

What is the folded mucus membrane of stomach called?

Rugae

27

What is the part of a fold in the interior wall of the intestine called?

Plica

28

Name #11

Duodenum

29

Name #18

Right colic (hepatic) flexure