The Digestive System and Body Metabolism 3

Question 1

Layers of Alimentary Canal Organs

Answer 1

mucosa
submocusa
muscularis externa
serosa

Question 2

Innermost layer
Moist membrane
Surface epithelium
Small amount of connective tissue
(lamina propria)
Small smooth muscle layer

Answer 2

mucosa

Question 3

Soft connective tissue with blood vessels, nerve endings, and lymphatics

Answer 3

submocusa

Question 4

smooth muscle
Inner circular layer
Outer longitudinal layer

Answer 4

muscularis externa

Question 5

Outermost layer
Layer of serous fluid-producing cells

Answer 5

serosa (visceral peritoneum)

Question 6

Stomach is located on the ____ side of the abdominal cavity

Answer 6

left

Question 7

Food enters at the ________ _______.

Answer 7

cardioesophageal sphincter

Question 8

Regions of the stomach

Answer 8

Cardiac region (Cardia)
Fundus
Body
Pylorus
Antrum

Question 9

funnel-shaped terminal end

Answer 9

Pylorus

Question 10

Region of the stomach that is near the heart

Answer 10

Cardiac region (Cardia)

Question 11

Food empties into the small intestine at the _____ ______.

Answer 11

pyloric sphincter

Question 12

internal folds of the mucosa

Answer 12

rugae

Question 13

External regions of the stomach

Answer 13

Lesser curvature
Greater curvature

Question 14

Layers of peritoneum attached to the stomach

Answer 14

Lesser omentum
Greater omentum

Question 15

attaches the liver to the lesser curvature

Answer 15

Lesser omentum

Question 16

attaches the greater curvature to the posterior body wall

Answer 16

Greater omentum

Question 17

Contains fat to insulate, cushion, and protect abdominal organs

Answer 17

stomach

Question 18

Stomach Functions

Answer 18

Acts as a storage tank for food
Site of food breakdown
Chemical breakdown of protein begins
Delivers chyme (processed food) to the small intestine

Question 19

specialized Mucosa of the Stomach

Answer 19

Simple columnar epithelium

Question 20

_____ ____ formed by folded mucosa

Answer 20

gastric pits