Digestive Systems

Question 1

Chemical digestion?

Answer 1

Breaks down large and complex substances into simpler chemicals by saliva and gastric juice.

Question 2

Mechanical Digestion?

Answer 2

When the food is sliced, torn and crushed by your teeth.

Question 3

What are incisors?

Answer 3

4 pairs of teeth that bite off the small enough to chew

Question 4

What are premolars?

Answer 4

They guide the food to back of the mouth

Question 5

What are molars?

Answer 5

They grind the food into smaller and smaller pieces as you chew.

Question 6

What are canine?

Answer 6

No significant purpose

Question 7

Oesophagus

Answer 7

A long muscular tube that carries food from your mouth to stomach.

Question 8

Epiglottis

Answer 8

A flap of skin that closes the windpipe when your swallow making sure your food goes to the stomach and not the lungs.

Question 9

Sphincters

Answer 9

Rings of muscle along the GI Tract

Question 10

Hydrochloric acid

Answer 10

Kills any bacteria that were swallowed with your food

Question 11

Mucus

Answer 11

A layer of lining that prevents the stomach from digesting itself

Question 12

Digestive juices

Answer 12

The enzyme found in it is called pepsin.

Question 13

Pepsin

Answer 13

breaks down proteins into amino acids

Question 14

Duodenum

Answer 14

First section of the small intestine

Question 15

Villi

Answer 15

Finger like structures that make up the inner wall of smaller intestines

Question 16

What is plural of Villi

Answer 16

Villi = Plural
Villus = Singular

Question 17

Pancreas

Answer 17

Fat gland behind the stomach. contains digestive enzymes. Where the enzymes are made.

Question 18

Liver

Answer 18

Removes toxins from our blood removing glucose and producing bile

Question 19

Gallbladder

Answer 19

Stores bile

Question 20

Bile duct

Answer 20

Carries bile from the gallbladder to the small intestine