Chapter 9: Digestive System

Question 1

Hydrolyze means to:

Answer 1

BREAK DOWN

Question 2

Exocrine Glands:

Answer 2

Glands secrete INTO DUCTS. Endocrine would be glands secreting into blood stream.

Question 3

Salivary Gland

Answer 3

glands that make saliva

Question 4

Enzyme Salivary Amylase

Answer 4

catalyzes the break down of starch.

Question 5

Optimal pH

Answer 5

the point where the enzyme is most active.

Question 6

Movement of the GI tract:

Answer 6

Peristalsis

Question 7

Absorption of monomers:

Answer 7

Villi

Question 8

Define Elimination:

Answer 8

the removal of indigestible waste. This is defecation

Question 9

Pharynx:

Answer 9

Leads to the lungs, mouth and nasal passages lead to pharynx.

Question 10

Esophagus

Answer 10

Leads to stomach

Question 11

Schpincters:

Answer 11

muscles that encircle tubers and act like valves

Question 12

characteristics of the stomach:

Answer 12

• J-shapes
• stores food
• starts protein digestion(pepsin)
• rugae
• gastric glands
• chyme

Question 13

Small Intestine is named after its:

Answer 13

small diameter, not its length.

Question 14

Three regions to the small intestine:

Answer 14

1. duodenum
2. jejunum
3. ileum

Question 15

Nutrients are absorbed in the:

Answer 15

Finger like Villi. They give a fuzzy appearance. Brush border that contains brush border enzymes.

Question 16

Lacteal:

Answer 16

Lymphatic Capillary

Question 17

Chylomicrons=

Answer 17

lipoproteins

Question 18

Accessory organs and regulation of secretions:

Answer 18

Pancreas
Liver
Gallbladder

Question 19

Pancreas function:

Answer 19

secretes digestive enzymes through a duct called duodenum.

Question 20

Function of liver:

Answer 20

Blood from stomach and intestines pass through the liver and breaks down the blood to create nutrients.

Question 21

Liver makes ____

Answer 21

bile which is stored in the gall bladder

Question 22

What emulsifies fat?

Answer 22

bile

Question 23

Define Secretin:

Answer 23

hormone released in the bloodstream by duodenum.

Question 24

Gastrin:

Answer 24

hormone produced by “G” cells in the lining of stomach and upper small intestine that is released into blood circulation.

Question 25

Functions of Large Intestine:

Answer 25

Dehydrates and creates feces