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Science 7: The Digestive System

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.

Food is chewed in the mouth and mixed with _________?

a)

the liver

b)

gastric juices

c)

saliva

d)

bile

2.

Food travels down the __________ into the stomach.

a)

small intestine

b)

gallbladder

c)

oesophagus

d)

stomach

3.

In the stomach, the food is mixed with _____________.

a)

saliva

b)

water

c)

blood

d)

gastric juices

4.

Food leaves the stomach and travels to the ___________.

a)

small intestine

b)

large intestine

c)

mouth

d)

liver

5.

Waste foods are separated from solids and liquids in the __________________.

a)

small intestine

b)

large intestine

c)

liver

d)

stomach

6.

_________ are absorbed into the blood.

a)

saliva

b)

gastric juices

c)

bile

d)

nutrients

7.

Which organ produces bile, a power gastric juice used to break down fats.

a)

the liver

b)

the gallbladder

c)

the heart

d)

the pancreas

8.

True or false: The gastric juices in your stomach can burn through your skin.

a)

True

b)

False

9.

True or false: It takes a few seconds for gastric juices to break down food in the stomach.

a)

True

b)

False

10.

How much saliva do we produce in each day?

a)

about a gallon

b)

about 2 liters

c)

about 1 liter

d)

about 20 ml

11.

What does your tongue do?

a)

It produces insulin.

b)

It produces bile.

c)

nothing

d)

It moves food around your mouth.

12.

What is food?

a)

It is fuel for your body.

b)

gastric juices

c)

bile

d)

powerful muscles

13.

Which organ stores bile produced by the liver?

a)

the gallbladder

b)

the liver

c)

the heart

d)

the pancreas

14.

Which organ produces insulin? We need insulin to manage sugar in our blood.

a)

the pancreas

b)

the liver

c)

the gallbladder

d)

the stomach

15.

In the stomach, ______________ and gastric juices churn the food into a thick liquid.

a)

the tongue

b)

the liver

c)

stomach muscles

d)

the pancreas