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Respiratory System

Total questions: 39

Worksheet time: 3hrs 15mins

Name
Class
Date
1.

We breathe in carbon dioxide and breathe out oxygen

a)

True

b)

False

2.

NUMBER 1:

a)

lungs

b)

pharynx

c)

mouth

d)

alveoli

3.

NUMBER 2:

a)

Larynx

b)

Bronchi

c)

Alveoli

d)

Lungs

4.

NUMBER 6:

a)

Lungs

b)

Trachea

c)

Mouth

d)

Alveoli

5.

NUMBER 3:

a)

Pharynx

b)

Trachea

c)

Bronchi

d)

Alveoli

6.

When we breath in the diaphragm...

a)

Contracts and moves down

b)

Relaxes and moves up

7.

When we breathe out the diaphragm...

a)

Contracts and moves down

b)

Relaxes and moves up

8.

Which are the main organ in the respiratory system?

a)

Heart

b)

Stomach

c)

Lungs

d)

Mouth

9.
What are these?
a)
Stomach
b)
Esophagus
c)
Lungs
d)
Mouth
10.

The respiratory system takes in oxygen and gives out _____

a)

Carbon dioxide

b)

More oxygen

c)

Air and nutrients

11.

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

a)

Bronchi

b)

Nostrils

c)

Lungs

12.

The ____ are two sacks that are protected by our ribs

a)

Lungs

b)

Trachea

c)

Octopuses

13.

Where do we have our vocal cords?

a)

In the larynx

b)

In the pharynx

c)

In the trachea

d)

In the mouth

14.

Little bags where the change between oxygen and carbon dioxide happens

a)

Alveolus

b)

Bronchioles

c)

Lungs

d)

Trachea

15.

What is oxygen needed for?

a)

energy releasing chemical reactions

b)

to make glucose

c)

to take in sunlight

d)

none of the above

16.
Inhale!!!!
Your lungs are ___________  air
a)
taking in
b)
letting out
17.
EXHALE!!!
My lungs are __________________ air. 
a)
taking in
b)
letting out
18.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
19.
What is function of the dome-shaped diaphragm?
a)
This is where gas exchange happens.
b)
Air passes through the diaphragm on the way to the lungs.
c)
It attaches to the lungs to help in breathing.
d)
It is under the lungs and keeps them from falling down to your stomach.
20.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
21.

Gas exchange is needed to supply _____________ to cells and remove __________________

a)

carbon dioxide; oxygen

b)

oxygen; food

c)

oxygen; carbon dioxide

d)

carbon dioxide; water

22.
The movement by diffusion of oxygen and carbon dioxide across a membrane
a)
Ventilation
b)
Breathing
c)
Gas exchange
d)
Respiration
23.

What is the site of gas exchange?

a)

alveoli

b)

bronchus

c)

nose

d)

trachea

24.
The trachea branches off into two:
a)
Alveoli
b)
Bronchi
c)
Bronchioles
25.
Microscopic sacs are called:
a)
alveoli
b)
bronchi
c)
villi
26.
Another name for the throat is called the:
a)
Nasopharynx
b)
Pharynx
c)
Larynx
27.
What important activity takes place in the lungs?
a)
Food is digested
b)
Waste filtered from blood
c)
Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
d)
Trachea is exchanged for the larynx
28.
What is another name for the windpipe?
a)
Lungs
b)
Trachea
c)
Larynx
d)
Esophagus
29.

The diaphragm is in letter ....

a)

a

b)

b

c)

c

d)

d

e)

e

30.

The lung is in letter ....

a)

a

b)

b

c)

c

d)

d

e)

e

31.

The air sacs that are covered with capillaries where gas exchange takes place

a)

bronchi

b)

lungs

c)

oxygen

d)

alveoli

32.

The SMALLEST blood vessels that allow for gas exchange are called?

a)

Bronchi

b)

Trachea

c)

Bronchioles

d)

Capillaries

33.

These small tubes have alveoli attached on the ends of them

a)

Alveoli

b)

Bronchi

c)

Bronchioles

d)

Larynx

34.

The respiratory system gets us which reactant we need for cellular respiration to make ATP?

a)

Glucose

b)

Oxygen

c)

Water

d)

Carbon Dioxide

35.

What is going on in the image?

a)

Gas exhange

b)

Breathing

c)

Inhalation

d)

Exhalation

36.

Cellular respiration makes what that we need to live?

a)

Oxygen

b)

Carbon dioxide

c)

ATP

d)

Water

37.

Match the following

a)

Large tubes that SPLIT into the left or right lung

1.

Bronchi

b)

Another term for windpipe

2.

Trachea

c)

Another term for throat

3.

Pharynx

d)

Another term for voicebox

4.

Larynx

e)

Main organ of the respiratory system

5.

Lungs

38.

Put the following in the correct order of the path of air through the respiratory system

a)

Nose/Mouth

b)

Pharynx

c)

Larynx

d)

Trachea

e)

Bronchi/Lungs

1)
2)
3)
4)
5)
39.

The gas we breath OUT is ​ (a)   and the gas we breath IN is ​​ (b)  

Choose from the below words
Carbon Dioxide
Oxygen
ATP
Glucose
Helium

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