Digestive System

Question 0

Animals who eat a lot of _________ matter have a long and complex digestive system.

Answer 0

Grass and tough plants

Question 1

The main function of the digestive system is to break down ___________ into small pieces the body can use.

Answer 1

Nutrients

Question 2

Animals that eat mostly __________ have shorter digestive systems since it breaks down in fewer steps than plants do.

Answer 2

Meat

Question 3

Where does digestion first begin. It is where teeth grind food. How does the food moisten.

Answer 3

Digestion begins in mouth. Saliva moistens the food to help it break down. Saliva also turns starches into sugars.

Question 4

Saliva helps break down food because it contains what kind of chemical?

Answer 4

Enzymes

Question 5

After food leaves the mouth the food enters the esophagus. Where does it push food towards to?

Answer 5

The stomach

Question 6

While in the stomach the food is mixed with more enzymes as well as _________, a strong chemical that breaks down food even more.

Answer 6

Acids

Question 7

Where does the food go after 1-3 hours in the stomach?

Answer 7

The small intestine

Question 8

In the small intestine the food particles are passed from folds called _______into the blood and every cell in the body.

Answer 8

Villi

Question 9

Whatever is left goes to the large intestine when nutrients are transported into blood. Whatever is left after 12-___ hours passes as solid wastes.

Answer 9

36