The Digestive System and Body Metabolism 4

Question 1

Glands and specialized cells are in the _____ _____ ______

Answer 1

gastric gland region

Question 2

The body’s major digestive organ

Site of nutrient absorption into the blood

Muscular tube extending form the
pyloric sphincter to the ileocecal valve

Suspended from the posterior
abdominal wall by the mesentery

Answer 2

Small Intestine

Question 3

Subdivisions of the Small Intestine
“Dogs Just Itch!

Answer 3

doudenum
jejunum
ileum

Question 4

Attached to the stomach
Curves around the head of the pancreas

Answer 4

doudenum

Question 5

Attaches anteriorly to the duodenum

Answer 5

jejunum

Question 6

Extends from jejunum to large intestine

Answer 6

ileum

Question 7

source of enzymes that are mixed with chyme

Answer 7

(intestinal cells) small intestine

Question 8

Bile enters from the _______

Answer 8

gall bladder

Question 9

Fingerlike structures formed by the mucosa
Give the small intestine more surface area

Answer 9

villi

Question 10

Small projections of the plasma membrane
Found on absorptive cells

Answer 10

microvilli

Question 11

specialized lymphatic capillaries

Answer 11

lacteals

Question 12

Deep folds of the mucosa and submucosa

Answer 12

plicae circulares/circular folds

Question 13

The submucosa has _____ ______

Answer 13

Peyer’s patches

Question 14

Called circular folds or _____ ______

Answer 14

plicae circulares

Question 15

Break double sugars into simple sugars
Complete some protein digestion

Answer 15

Enzymes from the brush border

Question 16

Help complete digestion of starch

Answer 16

pancreatic amylase

Question 17

Carry out about half of all protein digestion

Answer 17

trypsin, etc

Question 18

Responsible for fat digestion

Answer 18

lipase

Question 19

Digest nucleic acids

Answer 19

nucleases

Question 20

Lipids are absorbed by _____

Answer 20

diffusion

Question 21

Substances are transported to the liver by the________ _____ ____ or _____

Answer 21

hepatic portal vein or lymph

Question 22

___________ is the major means of moving food

Answer 22

Peristalsis

Question 23

Mix chyme with digestive juices
Aid in propelling food

Answer 23

Segmental movements