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HUMANS: Breathing, Excretion

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What are the organs we use to breath?

a)

lungs

b)

eyes

c)

nose

d)

trachea

2.

What is the process called when you breath in the air?

a)

inhalation

b)

exhalation

3.

What is the process called when you breath out the air?

a)

inhalation

b)

exhalation

4.

Which of the following show the air passage for inhalation?

a)

lungs --> nose --> trachea

b)

nose --> trachea --> lungs

c)

nose --> lungs --> trachea

5.

Which of the following show the air passage for exhalation?

a)

trachea --> lungs --> nose

b)

lungs --> nose --> trachea

c)

lungs --> trachea --> nose

6.

How do your chest move during inhalation?

a)

moves upwards

b)

moves downwards

c)

no movement

7.

How do your chest move during exhalation?

a)

moves upwards

b)

moves downwards

c)

no movement

8.

Which of the following will cause faster rate of breathing?

a)

reading a story book

b)

dancing

9.

When you breathe in air, you bring oxygen gases into your lungs and blow out ________ gases.

a)

Carbon dioxide

b)

Carbon monoxide

c)

Oxygen

10.

_________ is not good for your lungs.

a)

Exercising

b)

Singing

c)

Smoking

11.

Which part of the body is NOT used for the human breathing system to work?

a)

Mouth

b)

Nose

c)

Small intestine

12.

What would happen if your breathing system stopped working?

a)

Nothing

b)

You will die

c)

You will be happy

13.

Which of the following excretes carbon dioxide?

a)

skin

b)

kidney

c)

lungs

14.

Lungs are important organs for excretion of

a)

carbon dioxide and water vapour

b)

ammonia

c)

water

15.

The organ that removes urine is.....

a)

lung

b)

liver

c)

kidney