Digestive System

Question 1

Ingestion

Answer 1

Complex food taken in
What you eat

Question 2

Digestion

Answer 2

Break down of complex food

Question 3

Types of digestion

Answer 3

Mechanical and chemical

Question 4

Mechanical digestion

Answer 4

Making large pieces or droplets small

Question 5

Chemical digestion

Answer 5

Changes the chemicals
Enzymes are involved

Question 6

Motility

Answer 6

Food movement along the gastro

Question 7

Secretion

Answer 7

Exocrine secretion
Enzymes and other products

Question 8

Absorption

Answer 8

Blocks broken (food) gets absorbed

Question 9

Elimination

Answer 9

Riding of body waste/ bowel movements

Question 10

Layers of the digestive tract

Answer 10

Mucosa / mucous membrane
Sub mucosa
Muscularis
Serosa

Question 11

Mucosa

Answer 11

Inner most layer
surrounding submucosa

Question 12

Submucosa

Answer 12

Surrounding muscularis

Question 13

Muscularis

Answer 13

Any movement evolved
Surrounding serosa

Question 14

Serosa

Answer 14

Peritoneum
Parietal and visceral

Question 15

Peristalsis

Answer 15

-Contraction of digestive tract
-Squeezes/contration so food only goes in one direction
- muscularis involved

Question 16

Segmentation

Answer 16

-Mechanical digestion
-Muscularis involved
-breaks apart chunks of food using contraction

Question 17

Salivary gland

Answer 17

Lubricates and put moisture to food for easier swallowing

Question 18

Parotid

Answer 18

• Largest salivary gland
  -secretes amylase (enzyme)
• serous secretion

Question 19

Submandibular

Answer 19

two types of saliva:

serous - watery part with enzymes; breaks down food

mucous - thicker,slippery part without enzymes; helps food easier to swallow and keeps mouth moist

Question 20

Sublingual

Answer 20

-smallest saliva gland
-mucous type(no enzymes)

Question 21

what moves/pushes the food around the mouth.

Answer 21

tongue

Question 22

What are the two flaps inside the mouth

Answer 22

-Soft palate
-epiglottis

Question 23

oropharynx

Answer 23

helps with (deglutition)

Question 24

Bolus

Answer 24

food after mastication(chewing)

Question 25

Chyme

Answer 25

food particles mixed with gastric juice

Question 26

intristic factor

Answer 26

for b-12 absorption in small intestine

Question 27

esophagus' two valves

Answer 27

-upper esophageal sphincter (UES) -lower esophageal sphincter (LES)

Question 28

Upper esophageal sphincter function

Answer 28

prevents air going in

Question 29

lower esophageal sphincter function

Answer 29

prevents backflow of acidic(hydrochloric acid) stomach

Question 30

Smaller intestine

Answer 30

Digestion & absorption

Question 31

3 parts of smaller intestine (right order)

Answer 31

Duodenum jejunum ileum

Question 32

Duodenum

Answer 32

-Most chemical digestion - recieres pancreatic juices and bile from the liver - secretes cholecystokinin (cck)

Question 33

Cholecystokinin

Answer 33

- Releases bile - release the feeling of "feeling full" so you stop eating

Question 34

Plicae

Answer 34

-for absorption -expands to absorb -covered with villi -covered with microvilli to increase surface area

Question 35

Pancreas

Answer 35

-most important digestive juice

Question 36

CHONS

Answer 36

Carbon Hydrogen Oxygen Nitrogen

Question 36

What neutralizes stomach acid?

Answer 36

Bicarbonate

Question 36

What makes Gastric juice the most acidic substance to the body?

Answer 36

HCl (hydrochloric acid)

Question 37

Where is Bile produced?

Answer 37

Liver

Question 38

Function of bile

Answer 38

-Emulsify fats -Eliminates cholesterol (main ingredients of bile is cholesterol)

Question 38

Corpus of gallbladder

Answer 38

holds vile

Question 39

Neck of gallbladder

Answer 39

bile exit

Question 39

R/L ducts

Answer 39

carries bile from liver to gallbladder

Question 40

Normal passage for poop

Answer 40

3-5 days

Question 40

Peritoneum

Answer 40

-protects organs -lubrication to allow organs to move smoothly against each other

Question 41

What does large intestine do

Answer 41

absorbs left over chyme to turn it into poop

Question 41

Good bacteria in the gut?

Answer 41

Intestinal flora