The Digestive System

Question 1

What is digestion?

Answer 1

The process of breaking down organic molecules into particles, which can be used by the body

Question 2

Physical digestion

Answer 2

Process of breaking down food

Question 3

Chemical digestion

Answer 3

Enzymes break down food through hydrolysis

Question 4

What is an Endocrine

Answer 4

Secrete things into the blood

Question 5

What is exocrine?

Answer 5

Secretes things into DUcts

Question 6

Ingestion

Answer 6

Take in nutrients

Question 7

Digestion

Answer 7

Breaking down organic

Question 8

Absorption

Answer 8

Transport of digestive materials to blood and tissues

Question 9

Egestion

Answer 9

Removal of materials from food that can’t be digested

Question 10

Tongue

Answer 10

Physical digestion
Moves food while chewing
Creates Bolis

Question 11

Teeth

Answer 11

Physical digestion
Tear and grind food

Question 12

Salivary glands

Answer 12

Dissolves food for tasting
Enzymes help digest

Question 13

Bolus

Answer 13

Bowl of food after digestion in the mouth

Question 14

Pharnyx

Answer 14

Passageway of food and water
Two branches
Trachea (breath
Epoglottis(stops food from going down trachea

Question 15

esophagus

Answer 15

Goes to stomach
Carries bolus

Question 16

What is mucosa?

Answer 16

Stomach lining

Question 17

Gastric glands secrete…

Answer 17

Gastrin
Mucous
Pepsinogen

Question 18

Absorption

Answer 18

Alcohol and aspirin absorb in stomach wall to bloodstream
Also some water and salts

Question 19

Example of acid reflux

Answer 19

Heartburn

Question 20

What makes up the first part of the small intestine

Answer 20

Duodenum

Question 21

What does the duodenum do?

Answer 21

Receives secretions from bile duct
Receives secretions from pancreatic duct

Question 22

What is the second part of the small intestine

Answer 22

Jejunum

Question 23

What does the jejunum do?

Answer 23

Absorption of sugars, amino acids and fatty acids

Question 24

What is the third and last part of the small intestine?

Answer 24

Ileum

Question 25

What does the ileum do?

Answer 25

Further digests the food coming from stomach and small intestine. Absorbs vitamin B12 and bile acids

Question 26

What are the finger like projections called on the intestinal lining

Answer 26

Villi

Question 27

What are the types of digestion in the duodenum

Answer 27

Pancreatic amylase, maltase, sucrase, lactase

Question 28

What is the remaining peptides from the stomach broken down by in the small intestine?

Answer 28

Proteases such as trypsin and chymotrypsin

Question 29

What are the smaller peptides called?

Answer 29

Amino acids and peptidoses

Question 30

How is the digestion of fats handled in the duodenum

Answer 30

Fat droplets are emulsified. Emulsified by bile salts from liver Emulsification is physical process

Question 31

How much absorption occurs in the small intestine

Answer 31

90 percent

Question 32

What does villi contain?

Answer 32

Capillaries and lacteals

Question 33

What types of absorption?

Answer 33

Diffusion, active transport

Question 34

What does the digestion of starch start with?

Answer 34

In mouth with salivary amylase

Question 35

What does gastrin do

Answer 35

Regulates the entry of food in the stomach Secretes, HCL and pepsinogen