8th Grade Science: Chapter 3 Review: The Digestive System

Question 1

What do villi do?

Accepted Answer

Both of these

Question 2

Does absorption occur before or after digestion?

Accepted Answer

After

Question 3

Where does digestion begin?

Accepted Answer

Mouth

Question 4

Where does peristalsis occur?

Accepted Answer

Esophagus

Question 5

Where does absorption take place?

Accepted Answer

Small intestine

Question 6

Which nutrient is originally absorbed from soil by plants?

Accepted Answer

Minerals

Question 7

What carbohydrate can your body not digest?

Accepted Answer

Fiber

Question 8

Tearing or grinding food into smaller pieces is

Accepted Answer

Mechanical digestion

Question 9

Which of these organs produces digestive enzymes that help break down carbs, proteins, and fats

Accepted Answer

Pancreas

Question 10

Can your body create vitamins and minerals?

Accepted Answer

No

Question 11

Which is NOT a function of the tongue?

Accepted Answer

Chemically speeds up chemical reactions

Question 12

Which of these organs makes bile for the digestive system?

Accepted Answer

Liver

Question 13

How many amino acids are there?

Accepted Answer

20

Question 14

Where does most mechanical digestion take place?

Accepted Answer

Mouth and stomach

Question 15

Which is larger...

Accepted Answer

Small intestine

Question 16

What are the products of the pancreas?

Accepted Answer

Enzymes

Question 17

Where does most chemical digestion take place?

Accepted Answer

Small intestine

Question 18

Why are some amino acids called essential amino acids?

Accepted Answer

Your body cannot make them, so you must eat them

Question 19

What organ does food move to after leaving the stomach?

Accepted Answer

Small intestine

Question 20

Where is water from the digestive system absorbed?

Accepted Answer

Large intestine

Question 21

Where are villi located?

Accepted Answer

Small intestine

Question 22

What does Percent Daily Value show?

Accepted Answer

The nutrients in one serving

Question 23

Which of these is NOT a reason your body needs food?

Accepted Answer

To produce waste

Question 24

Which of these is a flap of tissue that prevents food from entering your windpipe?

Accepted Answer

Epiglottis

Question 25

Waves of involuntary muscle contract and push food toward the stomach. This is called...

Accepted Answer

Peristalsis

8th Grade Science: Chapter 3 Review: The Digestive System

Questions 25

8th Grade Science: Chapter 3 Review: The Digestive System

Questions 25