Exercise 38

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created 5 years ago by regan_wike
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Digestive System
updated 5 years ago by regan_wike
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1

two basic functions of digestive system

digestion and absorption

2

4 tunics

-mucosa
-submucosa
-musculeris externa
-serosa

3

organs of the oral cavity (mouth)

palate
uvula
tongue
tonsils

4

pharynx

nasopharynx
oropharynx
laryngopharynx

5

common passageway for food, fluid, and air

pharynx

6

extends from the pharynx through the diaphragm to the stomach

esophagus (gullett)

7

the esophagus uses _______ to move food along its length

peristalsis

8

the ___________ sphincter controls food passage into the stomach

gastroesophageal

9

the ______ is located in the left side of the abdominal cavity

stomach

10

the lining of the stomach has ______

rugae

11

rugae
greater omentum
lesser omentum
chyme
gastric glands

stomach

12

concave medial surface is called the _____ _____

lesser curvature

13

the convex lateral surface is the _____ _____

greater curvature

14

the _____ _____ extends from the greater curvature over the abdominal contents like an apron

greater omentum

15

_____ is a temporary storage region and a site for mechanical and chemical digestion

stomach

16

_____ are large protein molecules that serve as catalysts to the digestive process

enzymes

17

digested food is a creamy mass called _____ after the stomach is finished with it

chyme

18

the small intestine consists of three subdivisions

duodenum
jejunum
ileum

19

______ increase surface area in the small intestine, thus increasing absorption

microvilli

20

_________ folds are deep permanent folds of the mucosa and submucosa that force chyme to spiral through the intestine, mixing and slowing its progress

circular

21

______ is the connective tissue that suspends the small intestine (webbed bundle)

mesentry

22

food is broken down physically and chemically (_________) so that it can diffuse into cells (________)

digestion; absorption

23

accessory organs/glands empty their secretions into this tube

ailmentary (GI Tract) canal

24

mesentry
duodenum
jejunum
ileum
enzymes
villi

subdivisions of small intestine

25

provides site for manufacturing of vitamins

large intestine

26

cecum
vermiform appendix
colon
rectum
anal canal

parts of large intestine

27

major role of large intestine is to ________ and _________ feces by absorbing water

consolidate and propel

28

____ ____ provides a cite for synthesis of vitamin K by microorganism

large intestine

29

manipulates food in the mouth and initiates swallowing

tongue

30

salivary glands

parotid
submandibular
sublingual

31

accessory digestive organs

teeth
tongue
salivary glands
liver

32

parotid is anterior to ____

ear

33

______ produces/stores bile

liver

34

bile has no enzymatic action, but ______ fat to increase surface area for lipase activity

emulsifies

35

largest gland in the body
performs many metabolic rules
kupffer cells

liver

36

_______ cells line the spaces between liver cells and remove debris from the blood as it flows past them

Kupffer

37

Bile is also stored in the ____ ____ which is a small green sac on the inferior surface of the liver

gall bladder

38

_____ is a mixture of enzymes that digest proteins, carbs, nucleic acids, and fat

pancreatin

39

the ____ has both an endocrine and digestive function

pancreas

40

deglutition (swallowing)

1) voluntary buccal step
2) involuntary pharyngeal-esophageal phases

41

bolus

____ moistens the food and helps to bind it together into a mass