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Respiratory System

Total questions: 25

Worksheet time: 50mins

Name
Class
Date
1.

What is the main function of the respiratory system?

a)

to give oxygen and take out carbon dioxide from the body

b)

to remove oxygen from the body and deliver carbon dioxide

c)

to break down food and absorb nutrients

2.

We breathe in carbon dioxide and breathe out oxygen

a)

True

b)

False

3.

NUMBER 1:

a)

lungs

b)

pharynx

c)

mouth

d)

alveoli

4.

NUMBER 6:

a)

Lungs

b)

Trachea

c)

Mouth

d)

Alveoli

5.

NUMBER 3:

a)

Alveoli

b)

Trachea

c)

Bronchioles

6.

Inside the lungs, the bronchioles divide into smaller tubes. At the end of these tubes, there are small sacs called...

a)

Alveoli

b)

Trachea

c)

Lungs

7.

When we breathe out, the ____________ leaves our lungs.

a)

Carbon dioxide

b)

Oxygen

8.

Which are the main organs in the respiratory system?

a)

Heart

b)

Stomach

c)

Lungs

d)

Nose

9.
The system of the body that brings oxygen into the body and releases carbon dioxide.
a)
respiratory​ ​system​
b)
skeletal system
c)
muscular system
d)
circulatory system
10.
Inhale!!!!
Your lungs are ___________  air
a)
taking in
b)
letting out
11.
EXHALE!!!
My lungs are __________________ air. 
a)
taking in
b)
letting out
12.
Name the organ label # 6. 
a)
alveoli 
b)
bronchi 
c)
trachea 
d)
lungs 
13.

After the nose, air passes into the

a)

bronquial tubes

b)

trachea

c)

bronchioles

14.

Tubes that move air from the trachea to the lungs.

a)

Alveoli

b)

Bronchial tubes

c)

Veins

15.

The heart is part of the respiratory system.

a)

True

b)

False

16.

NUMBER 4:

a)

bronchial tubes

b)

trachea

c)

lungs

17.

Which organs are part of the respiratory system?

a)

Arteries, veins, heart

b)

Lungs, trachea, bronquial tubes

c)

Bones, articulations, skeleton

18.

Which is the correct trail of the oxygen?

a)

Nose, trachea, lungs

b)

Nose, trachea, bronchial tubes

c)

Nose, bronchial tubes, bronchioles

19.

Which is the correct trail of the oxygen?

a)

Alveoli, bronchioles, bronchial tubes

b)

Bronchioles, bronchial tubes, alveoli

c)

Bronchial tubes, bronchioles, alveoli

20.

Who transports the oxygen through all your body?

a)

Lungs

b)

Air

c)

Blood

21.

Where does the exchange of gases occur?

a)

Lungs

b)

Heart

c)

Blood

22.

Breathing is a ______________ movement.

a)

voluntary

b)

involuntary

23.

Which system works with the respiratory system?

a)

Circulatory System

b)

Digestive System

c)

Skeletal System

24.

Which system is in charge of breaking down the food?

a)

Circulatory System

b)

Digestive System

c)

Skeletal System

25.

Which system is in charge of protecting the organs?

a)

Circulatory System

b)

Digestive System

c)

Skeletal System