wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

respiration and gas exchange: review

Total questions: 12

Worksheet time: 3mins

Name
Class
Date
1.

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

a)

lungs

b)

trachea

c)

alveoli

d)

capillaries

2.

When we breathe out the diaphragm...

a)

contracts

b)

relaxes

3.

The trachea is a tube that divides into two smaller tubes called (a)  

4.

Where do we have our vocal cords?

a)

In the larynx

b)

In the trachea

c)

In the pharynx

d)

In the mouth

5.

Little bags where the change between oxygen and carbon dioxide happens

a)

alveolus

b)

lungs

c)

bronchioles

d)

trachea

6.

When you breathe, your lungs take in ___ and remove ___.

a)

air/oxygen

b)

oxygen/carbon dioxide

c)

carbon dioxide/waste

d)

carbon dioxide/ oxygen

7.

The "windpipe" is also called the (a)  

8.

aerobic respiration uses glucose and (a)   to make energy.

9.

When we inhale, the rib cage _________________.

a)

moves up and out

b)

moves downwards

c)

the rib cage cannot move

10.

The (a)   cells make a liquid containing water and mucus which evaporates into the air in the nose and moistens it

11.

When breathing out, the external intercostal muscles.....

a)

relax

b)

contact

12.

The word equation for aerobic respiration is:

a)

water + oxygen → glucose + carbon dioxide

b)

glucose + carbon dioxide → oxygen + water

c)

glucose + oxygen → carbon dioxide + water

d)

carbon dioxide+ water → oxygen + glucose