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Worksheets

Digestive System

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

The process of breaking down food into forms the body can use is called _____.

a)

peristalsis

b)

digestion

c)

chyme

2.

The clear liquid in the mouth is called _____.

a)

chyme

b)

saliva

c)

bile

3.

Clusters of special cells on the tongue that react to chemicals in food are called _____.

a)

taste buds

b)

sphincters

c)

teeth

4.

The ring of muscles that control the opening to the stomach is called _____.

a)

an enzyme

b)

peristalsis

c)

a sphincter

5.

The mixture of enzymes, water, and hydrochloric acid that helps the stomach break down food is called _____.

a)

chyme

b)

peristalsis

c)

gastric juices

6.

Nutrients from food are absorbed into the blood as the chyme passes through the _____.

a)

small intestine

b)

pancreas

c)

gallbladder

7.

Water and salts are absorbed by the body as the chyme passes through the _____.

a)

stomach

b)

small intestine

c)

large intestine

8.

A green liquid called bile that helps break down fats is produced in the _____.

a)

liver

b)

gallbladder

c)

pancreas

9.

The five basic food groups are protein, vegetables, fruits, _____, and dairy.

a)

snacks

b)

grains

c)

milk

10.

The small intestine is lined with tiny fingerlike structures called _____.

a)

chyme

b)

villi

c)

sphincter

11.

The main source of energy for the body is _____.

a)

proteins

b)

fats

c)

carbohydrates

12.

What are the squeezing movements made by the esophagus muscles as food moves to the stomach?

a)

peristalsis

b)

enzymes

c)

sphincters

13.

What is the liquidlike mixture of food formed when the juices in the stomach break down swallowed food?

a)

saliva

b)

bile

c)

chyme

14.

What is the name of the flap of tissue that closes to keep food out of the trachea?

a)

esophagus

b)

epiglottis

c)

sphincter

15.

How do the teeth help in digestion?

a)

make food soft and wet

b)

tear and crush food to help break it down

c)

push food around inside the mouth

16.

What is one way that the tongue helps in digestion?

a)

provides stored energy and helps insulate the body

b)

breaks down food for digestion

c)

pushes small ball of food toward the back of the throat to be swallowed

17.

What is one of the jobs that saliva has in digestion?

a)

breaks down food for digestion

b)

helps break down food into insulin

c)

pushes food around inside the mouth

18.

What is one way that the gastric juices help in digestion?

a)

help the stomach break down food

b)

build and repair the body

c)

react to chemicals in the food

19.

What digestive organ produces insulin and makes enzymes that break down food into nutrients that can be absorbed?

a)

gallbladder

b)

pancreas

c)

small intestine

20.

What organ stores excess bile from the liver and releases it when needed?

a)

gallbladder

b)

pancreas

c)

large intestine

21.

What organ produces bile and filters poison and wastes from the blood?

a)

gallbladder

b)

liver

c)

small intestine

22.

What are the five basic food groups?

a)

fruits, protein foods, dairy, vegetables, and grains

b)

fruits, protein foods, fats, vegetables, and vitamins

c)

fruits, minerals, dairy, vegetables, and carbohydrates

23.

True or False

The flap of tissue that closes to keep food out of the trachea is called the epiglottis.

a)

True

b)

False

24.

True or False

The digestive tract is the path that food follows through the digestive system.

a)

True

b)

False

25.

True or False

The stomach is a stretchy storage bag in the digestive tract below the esophagus.

a)

True

b)

False

26.

True or False

The tongue is covered with saliva, or clusters of special cells that react to chemicals in food.

a)

True

b)

False

27.

True or False

Sour, salty, bitter, and sweet are the four basic tastes.

a)

True

b)

False

28.

True or False

The epiglottis pushes food around inside the mouth.

a)

True

b)

False

29.

True or False

The stomach works on food mechanically and chemically.

a)

True

b)

False

30.

True or False

The squeezing movement of the esophagus muscles as the food moves to the stomach is called enzymes.

a)

True

b)

False

31.

True or False

The stomach turns food into a liquidlike mixture called chyme.

a)

True

b)

False

32.

What is the process of breaking down food into forms the body can use?

a)

C. saliva

b)

B. tongue

c)

D. chyme

d)

A. digestion

e)

E. sphincter

33.

What is the clear liquid in the mouth?

a)

C. saliva

b)

A. digestion

c)

B. tongue

d)

D. chyme

e)

E. sphincter

34.

What is the mixture of enzymes, water, and hydrochloric acid that helps the stomach break down food?

a)

C. saliva

b)

B. tongue

c)

A. digestion

d)

D. chyme

e)

F. gastric juices

35.

What is the ring of muscles that controls the opening to the stomach?

a)

B. tongue

b)

C. saliva

c)

E. sphincter

d)

A. digestion

e)

D. chyme

36.

What is the liquidlike mixture of food formed when the juices in the stomach break down swallowed food?

a)

A. digestion

b)

B. tongue

c)

E. sphincter

d)

D. chyme

e)

C. saliva

37.

What pushes food around in the mouth?

a)

A. digestion

b)

B. tongue

c)

C. saliva

d)

D. chyme

e)

E. sphincter

38.

What filters poisons and wastes from the blood?

a)

A. liver

b)

B. pancreas

c)

C. stomach

d)

D. gallbladder

39.

What produces insulin?

a)

A. liver

b)

B. pancreas

c)

C. stomach

d)

D. gallbladder

40.

What makes enzymes that break down food into nutrients that can be absorbed?

a)

A. liver

b)

B. pancreas

c)

C. stomach

d)

D. gallbladder

41.

Which food group helps insulate the body?

a)

fats

b)

water

c)

carbohydrates

d)

proteins

e)

vitamins and minerals

42.

What is/are the main source of energy for the body?

a)

fats

b)

water

c)

carbohydrates

d)

proteins

e)

vitamins and minerals

43.

What helps digest the food you eat?

a)

fats

b)

water

c)

carbohydrates

d)

proteins

e)

vitamins and minerals

44.

Which one of the following is/are used to build and repair the body?

a)

fats

b)

water

c)

carbohydrates

d)

proteins

e)

vitamins and minerals

45.

Water and salts are absorbed by the body as the chyme passes through the _____.

a)

stomach

b)

small intestine

c)

large intestine