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Worksheets

Your Lungs & Respiratory System

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

What is the main function of the lungs and respiratory system?

a)

To filter waste

b)

To pump blood

c)

To allow us to breathe

d)

To digest food

2.

What is the process of bringing oxygen into the body called?

a)

Circulation

b)

Inspiration

c)

Respiration

d)

Exhalation

3.

What happens to the diaphragm when you breathe in?

a)

It moves upward

b)

It moves downward

c)

It stays still

d)

It contracts

4.

What is the role of the alveoli?

a)

To exchange oxygen and carbon dioxide

b)

To digest food

c)

To produce sound

d)

To pump blood

5.

What is the trachea also known as?

a)

Diaphragm

b)

Esophagus

c)

Windpipe

d)

Voice box

6.

What are the tiny hairs in the nose called?

a)

Bronchi

b)

Pleura

c)

Cilia

d)

Alveoli

7.

What is the function of the epiglottis?

a)

To exchange gases

b)

To filter air

c)

To cover the air passage during swallowing

d)

To produce sound

8.

What is the thorax?

a)

The chest cavity

b)

The windpipe

c)

The diaphragm

d)

The voice box

9.

What is the pleura?

a)

A muscle that helps in breathing

b)

A thin lining covering the lungs

c)

A part of the digestive system

d)

A type of blood cell

10.

What are bronchioles?

a)

Large air tubes

b)

Tiny air sacs

c)

Smaller tubes within the lungs

d)

Blood vessels

11.

What is the role of the pharynx?

a)

To carry only food

b)

To produce sound

c)

To carry only air

d)

To carry both food and air

12.

What is the larynx also known as?

a)

Windpipe

b)

Diaphragm

c)

Voice box

d)

Esophagus

13.

What is the function of the vocal cords?

a)

To exchange gases

b)

To filter air

c)

To produce sound

d)

To pump blood

14.

What is the main function of the diaphragm?

a)

To produce sound

b)

To pump blood

c)

To help in breathing

d)

To digest food

15.

What happens during exhalation?

a)

The diaphragm moves downward

b)

The chest cavity gets bigger

c)

The diaphragm moves upward

d)

The rib muscles contract

16.

Which structure connects the pharynx to the lungs?

a)

Alveoli

b)

Esophagus

c)

Trachea

d)

Diaphragm

17.

What is the main function of cilia in the respiratory system?

a)

To pump blood

b)

To exchange gases

c)

To filter and move particles out of the airways

d)

To produce sound

18.

Which part of the respiratory system is responsible for humidifying and warming the air we breathe?

a)

Diaphragm

b)

Alveoli

c)

Bronchioles

d)

Nasal cavity