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Respiratory and Circulatory System

Total questions: 54

Worksheet time: 46mins

Name
Class
Date
1.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

2.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

3.

How does the heart work?

a)

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

b)

It pumps blood first to the rest of the body, back to the lungs and then to the heart.

c)

It pumps blood around the rest of the body, back to the heart and then to the lungs,

4.

The circulatory system works with the ___________ system to provide our body with oxygen.

a)

respiratory

b)

digestive

c)

muscular

d)

skeletal

5.
Which is responsible for providing oxygen to cells?
a)
respiratory system
b)
circulatory system
c)
muscular system
d)
nervous system
6.

Deoxygenated blood means that the blood is low in...

a)

Oxygen

b)

Carbon Dioxide

7.

About how big is the human heart?

a)

the size of your nose

b)

the size of your foot

c)

the size of your fist

d)

the size of your ear

8.

Which of the following is not part of the circulatory system?

a)

veins

b)

heart

c)

stomach

d)

arteries

9.

As the blood reaches the lungs, what is removed from the blood?

a)

oxygen

b)

carbon dioxide

c)

red blood cells

d)

white blood cells

10.

The part of the blood that carries oxygen is called ___________. (Remember we can't live without our blood-line)

a)

red blood cells

b)

white blood cells

11.
The main function of the circulatory system is 
a)
To give the body structure and support
b)
Excrete waste
c)
transport blood, nutrients, and gases throughout the body
d)
to transport messages from the body to the brain
12.
True or false:  The circulatory system includes all of your bones.
a)
True
b)
False
13.
Your heart is an example of which type of muscle?
a)
a big one
b)
voluntary
c)
involuntary
d)
bicep
14.

What gas do we breath when we exhale?

a)

oxygen

b)

helium

c)

carbon dioxide

d)

hydrogen

15.

What connects the larynx to the lungs?

a)

trachea

b)

pharynx

c)

nasal cavity

d)

diaphragm

16.

You can inhale through your ... (choose all that apply)

a)

nose

b)

skin

c)

ears

d)

mouth

17.

This is a gas our cells need to survive.

a)

helium

b)

carbon dioxide

c)

oxygen

d)

nitrogen

18.

What is the function of the respiratory system?

a)

removes wastes from the body

b)

provide us with oxygen and remove carbon dioxide

c)

breaks down food for nutrients for the body

d)

provides movement for the body

19.

What organ does oxygen begin to enter the blood stream?

a)

nasal cavity

b)

lungs

c)

bronchioles

d)

alveoli

20.

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

a)

diapragm

b)

lungs

c)

trachea

21.

What is function of the dome-shaped diaphragm muscle?

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 and contracts and relaxes to help in breathing.

22.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
23.
What is the function of the bronchi?
a)
Transport air from nose to lungs
b)
Transport air from trachea to lungs
c)
Transport air from lungs to alveoli
d)
Transport air from alveoli to blood
24.

These are the two two main branches from the trachea (one to each lung)

a)

bronchi

b)

alveoli

c)

capillaries

d)

bronchioles

25.

What type of cells carry oxygen in the blood?

a)

red blood cells

b)

white blood cells

26.

When bronchi become smaller they are called........

a)

Bronchioles

b)

Bronchus

c)

Lungs

d)

Alveoli

27.

What allows the lungs to inflate and deflate?

a)

Bronchi

b)

Diaphragm

c)

Alveoli

d)

Cells

28.

Spasms of this muscle causes hiccups

a)

Heart

b)

Lungs

c)

Diaphragm

d)

Alveoli

29.

The heart is made of which of the following types of muscles?

a)

Cardiac muscle

b)

Striated muscle

c)

Smooth muscle

d)

None of the above

30.

Which of the following are chambers of the heart?

a)

Valves

b)

Atrium and ventricle

c)

Arteries and veins

d)

Sinoatrial nerve

31.

Blood clots can cause a heart attack

a)

True

b)

False

32.

The pulmonary artery is the artery that carries the blood to your heart from your lungs.

a)

True

b)

False

33.

How are arteries and veins different?

a)

One is bigger than the other.

b)

The arteries carry more blood than the veins.

c)

The arteries carry blood away from the heart while veins carry blood to the heart.

d)

The veins carry blood away from the heart while arteries carry blood to the heart.

34.

Which chamber in the heart collects oxygen poor blood?

a)

Right Atrium

b)

Right Ventricle

c)

Left Atrium

d)

Left Ventricle

35.

Which chamber in the heart collects oxygen poor blood?

a)

Right Atrium

b)

Right Ventricle

c)

Left Atrium

d)

Left Ventricle

36.

Which chamber in the heart collects oxygen rich blood?

a)

Right Atrium

b)

Left Ventricle

c)

Left Atrium

d)

Right Ventricle

37.

Which chamber in the heart pumps oxygen poor blood to the pulmonary artery?

a)

Right Ventricle

b)

Left Ventricle

c)

Aorta

d)

Right Atrium

38.

Which chamber of the heart pumps oxygen rich blood to the aorta?

a)

Pulmonary Artery

b)

Left Atrium

c)

Left Ventricle

d)

Right Ventricle

39.

What is the main artery in our body carrying oxygen rich blood?

a)

Aorta

b)

Pulmonary

40.

What artery carries oxygen rich blood to the lungs to pick up oxygen?

a)

Aorta

b)

Pulmonary

41.

What organ in the lungs puts oxygen into the blood?

a)

Bronchioles

b)

Bronchi Yubes

c)

Diaphragm

d)

Alveoli

42.

How does the heart muscle move the blood between your heart, lungs and the rest of the body?

a)

Magic

b)

Diaphragm muscle pushes the blood around your body

c)

Muscle contractions and relaxations

d)

Who knows, ask a scientist

43.
Name this part.
a)
Right atrium
b)
Left ventricle
c)
Right ventricle
d)
Left atrium
44.
Name this part.
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
45.
Name this part.
a)
Right ventricle
b)
Pulmonary artery
c)
Left ventricle
d)
Right atrium
46.
what is the part as labeled num 7
a)

R.artrium

b)
L.venctical
c)
R.ventrical
d)

L.artrium

47.
what is the part as labeled num 11
a)

left atrium

b)

right atrium

c)

Left ventricle

d)

Right ventricle

48.
what is the part as labeled num 14
a)
L.ventrical
b)
R.ventrical
c)
arota
49.

what is the part as labeled num 1

a)

aorta

b)

lung

c)

hart

50.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
51.
How many chambers does the heart have ? 
a)
4
b)
6
c)
3
d)
1
52.
What are the colored structures?
a)
Arteries
b)
Veins
c)
Valves
d)
Chambers
53.
The arrow indicates the 
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
54.
The arrow indicates the
a)
Left ventricle
b)
Vena cava
c)
Right atrium
d)
Right ventricle

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