digestion

Question 1

Describe how and why you feel hungry

Answer 1

Ghrelin, a hormone that is released from the stomach is sent to the brain making you feel hungry

Question 2

What is the long tube that makes up the digestion system called?

Answer 2

Alimentary Canal

Question 3

Food travels down the alimentary canal using a process called peristalsis. How does this work?

Answer 3

Involuntary wave like muscle contractions in the digestive tract pushes food down the alimentary canal

Question 4

What does ‘digestion’ mean?

Answer 4

Digestion is a process that turns the food into smaller and simpler molecules

Question 5

What are the two types of digestion?

Answer 5

Chemical and Mechanical

Question 6

Define Mechanical Digestion

Answer 6

Physically breaking down food

Question 7

Define Chemical Digestion

Answer 7

The process where enzymes and acid break down food

Question 8

Define Enzyme

Answer 8

A protein produced by a living organism that helps speed up digestion by breaking down food

Question 9

Whats another term for mouth?

Answer 9

Oral Cavity

Question 10

Describe mechanical digestion in the oral cavity

Answer 10

Use your teeth to chew the food and break it down into smaller pieces

Question 11

Describe chemical digestion in the oral cavity

Answer 11

Enzymes in your saliva break down starches in your food

Question 12

Chemical digestion in the mouth is assisted by what enzyme?

Answer 12

Salivary amylase

Question 13

What does the salivary amylase enzyme do?

Answer 13

Breaks down starch

Question 14

What is the tongue’s job?

Answer 14

Allows you to taste food, swallow, and break down food

Question 15

What connects the mouth to the stomach?

Answer 15

esophagus

Question 16

What directs food to the stomach and prevents it from entering the lower respiratory tract?

Answer 16

Epiglottis

Question 17

The stomach is a large muscular bag that can expand to store food. How much food can the stomach stretch to store?

Answer 17

1 quart

Question 18

Approximately how long does food stay the stomach?

Answer 18

2-6 hours

Question 19

Describe mechanical digestion of the stomach

Answer 19

Churning motions in the stomach break down food

Question 20

Describe chemical digestion of the stomach

Answer 20

Acids and enzymes break down food

Question 21

When the stomach has finished its job the food is now in a liquid goo form called…?

Answer 21

Chyme

Question 22

Approximately how long is the small intestine?

Answer 22

22 feet

Question 23

Approximately how long does food stay in the small intestine?

Answer 23

5-6 hours

Question 24

What does the pancreas do?

Answer 24

Produces enzymes

Question 25

What does the liver do?

Answer 25

Produces bile

Question 26

What does the gallbladder do?

Answer 26

Stores bile

Question 27

In the small intestine are many, many finger-like projections called what?

Answer 27

Villi

Question 28

What does villi do?

Answer 28

Absorbs nutrients from food

Question 29

How long is the large intestine?

Answer 29

5 feet

Question 30

How long does food stay in the large intestine?

Answer 30

24-36 hours

Question 31

What are the large intestine's three jobs?

Answer 31

Absorb water from food, absorbs and produces vitamins from food, and form and move the poop

Question 32

If you have a sharp pain cause by stomach acid backing up into the esophagus, you have...?

Answer 32

Heartburn

Question 33

What is constipation?

Answer 33

When the large intestine has absorbed too much water

Question 34

What is it called when you large intestine doesn't absorb enough water?

Answer 34

Diarrhea

Question 35

What are swollen veins in the anal area called?

Answer 35

Hemorrhoids

Question 36

What is it called when the appendix becomes inflamed?

Answer 36

Appendicitis?

Question 37

What are the hard particles made of calcium salts, cholesterol, and pigments in the bile that get caught in the tube leading out of the gallbladder called?

Answer 37

Gallstones

Question 38

What are the open sores that form on the surface of the skin or in the alimentary canal?

Answer 38

Ulcers

Question 39

What is celiac disease?

Answer 39

A sensitivity to gluten

Question 40

What is it called when your body doesn't produce enough insulin?

Answer 40

Diabetes