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Cardiovascular system

Total questions: 82

Worksheet time: 58mins

Name
Class
Date
1.

___ takes place when blood travels from the heart, through the lungs, and back to the heart.

a)

pulmonary circulation

b)

systemic circulation

2.

___ takes place when oxygen-rich blood travels to all body tissues except the lungs.

a)

pulmonary circulation

b)

systemic circulation

3.
Which is a function of the cardiovascular system?
a)
to move water throughout the body
b)
to transport gases throughout the body 
c)
to eliminate waste from the body
d)
to provide structural support for the body 
4.
Which of the following is a synonym for the circulatory system?
a)
respiratory system
b)
digestive system
c)
nervous system
d)
cardiovascular system
5.
In which system of the human body does the heart belong?
a)
Nervous
b)
Skeletal
c)
Cardiovascular
d)
Digestive
6.
These cells, in the blood, carry oxygen and give the blood its color.
a)
white blood cells
b)
plasma
c)
platelets
d)
red blood cells
7.
This type of vessel carries blood TO the heart:
a)
vein
b)
nerve
c)
muscle
d)
artery
8.
When oxygen-rich blood is carried AWAY from the heart, it travels through an...
a)
artery
b)
neuron
c)
vein
d)
straw
9.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
10.
How many chambers does the heart have ? 
a)
4
b)
6
c)
3
d)
1
11.

The bottom chambers of the heart are called

a)

ventricles

b)

atria

c)

vena cava

d)

valves

12.
What are tube-like structures that include the arteries, arterioles, capillaries, venules, and veins?
a)
Blood Vessels
b)
Lymph
c)
Glands
d)
Strep
13.

The top chambers of the heart are called

a)

ventricles

b)

atria

c)

vena cava

d)

valves

14.

The heart is best described as a;

a)

filter

b)

pump

c)

storage space

d)

messenger

15.

When blood leaves the right atrium it goes to the;

a)

Right aorta

b)

Right ventricle

c)

Right vena carva

d)

Left atrium

16.

In what type of blood vessel does oxygen exchange take place?

a)

Capillary

b)

Vein

c)

Artery

d)

Aorta

17.

What side of the heart has the strongest muscle?

a)

right

b)

left

18.

What side of the heart pumps oxygenated blood?

a)

right

b)

left

19.

One component of blood is

(a)  

20.

One component of blood is

(a)  

21.

One component of blood is

(a)  

22.

Name number 1 in the image (click on the image to enlarge it).

(a)  

23.

Name number 8 in the image (click on the image to enlarge it).

(a)  

24.

Name number 4 in the image (click on the image to enlarge it).

(a)  

25.

The measure of blood flow in arteries is...

a)

blood pressure/heart rate

b)

capillaries

c)

pulmonary veins

26.
Which of the following delivers oxygen to cells?
a)
Red Blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
27.

True or False: the vena cava is the largest vein in the body.

a)

True

b)

False

28.
What is the function of a valve?
a)
Helps blood to clot
b)
Keeps blood flowing in all directions
c)
Keeps blood flowing in one direction
d)
Stops blood from flowing
29.
Another name for the circulatory system is __________________________________________ because they describe the system that consists of the heart, blood vessels, and blood.
a)
Cardiovascular System
b)
Heart
c)
Vein
d)
Artery
30.

What is the largest vein in the body?

a)

Septum

b)

Aorta

c)

Capillaries

d)

Vena cava

31.

What is the condition of keeping the body stable?

a)

Homeopathy

b)

Balance

c)

Homeostasis

d)

Physiology

32.

What is the clear, yellowish liquid portion of the blood?

a)

Plasma

b)

Veins

c)

Platelets

d)

Capillaries

33.

What is the largest blood vessel in the body?

a)

Right Atrium

b)

Plasma

c)

Vena cava

d)

Aorta

34.

What is responsible for clotting the blood when a person gets cut?

a)

Capillaries

b)

Platelets

c)

Plasma

d)

Vena cava

35.

What is the upper chamber of the heart that receives blood from the body?

a)

Aorta

b)

Right atrium

c)

Right ventricle

d)

Left atrium

36.

Why does the blood turn dark red as it circulates through the body?

a)

Because the heart is pumping blood to the brain

b)

Because Oxygen is replaced with Carbon Dioxide

c)

Because there are no platelets

d)

Because Carbon Monoxide is replaced with Oxygen

37.

What is the main function of valves in the circulatory system?

a)

To pump blood throughout the body

b)

To prevent blood from moving in the wrong direction

c)

To prevent platelets from clotting the blood

d)

To keep the body stable

38.

Which is NOT a part of the cardiovascular system?

a)

Capillaries

b)

Heart

c)

Arteries

d)

Ligaments

39.

#2

a)

Septum

b)

Right ventricle

c)

Left ventricle

d)

Right Atrium

40.

#9

a)

Right Atrium

b)

Right ventricle

c)

Left atrium

d)

Left ventricle

41.

#5

a)

Pulmonary Valve

b)

Aorta

c)

Superior Vena Cava

d)

Mitral Valve

42.

Pink color....

a)

Lungs

b)

Septum

c)

Pulmonary artery

d)

Superior vena cava

43.

#4

a)

Aorta

b)

Pulmonary artery

c)

Inferior vena cava

d)

Superior vena cava

44.

#3

a)

Right ventricle

b)

Right atrium

c)

Septum

d)

Mitral valve

45.

#7

a)

Left atrium

b)

Right ventricle

c)

Right atrium

d)

Aorta

46.

#5

a)

Pulmonary Valve

b)

Aorta

c)

Superior Vena Cava

d)

Mitral Valve

47.

What's in the Circulatory (Cardiovascular) system?

a)

consists of heart, veins and brain

b)

consists of heart, blood vessels and blood

c)

consists of heart, blood and lungs

d)

consists of heart, brain and bladder

48.

What is the atrium?

a)

the bottom chamber of the heart

b)

the right chamber of the heart

c)

the left chamber of the heart

d)

the upper chamber of the heart

49.

What do red blood cells do?

a)

carries oxygen

b)

fights infection

c)

clots blood

d)

nothing; the white blood cells do all the work

50.

What is a septum?

a)

tissue that separates the right side from the left side of the brain

b)

tissue that separates the right side from the left side of the lung

c)

tissue that separates the right side from the left side of the heart

d)

tissue that separates the right side from the left side of the veins

51.
What Is the Simple Definition of Heart?
a)
the pulse that sends signals to the other organs in the body to the kidney
b)
the hollow muscular organ the pumps blood throughout the body
c)
a shape that is a triangle with two circles
d)
the veins that sends nutrients to other parts of the body
52.

What is the main organ of the circulatory system?

a)

Brain

b)

Lungs

c)

Heart

d)

Blood Vessels

53.

Your heart always pumps at the same rate.

a)

True

b)

False

54.

How big is your heart?

a)

About the size of your brain

b)

About the size of your lungs

c)

About the size of a cell

d)

About the size of your fist

55.
How many chambers does the heart have ? 
a)
4
b)
6
c)
3
d)
1
56.

Which of the following are chambers of the heart?

a)

Valves

b)

Atrium and ventricle

c)

Arteries and veins

d)

Sinoatrial nerve

57.

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

a)

True

b)

False

58.

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.

Veins carry blood to the heart.

d)

The veins carry blood away from the heart.

Arteries carry blood to the heart.

59.
Name this part.
a)
Right ventricle
b)
Aorta
c)
Right atrium
d)
Atrium
60.
Name this part.
a)
Right ventricle
b)
Pulmonary artery
c)
Left ventricle
d)
Right atrium
61.
Name the part.
a)
Pulmonary vein
b)
Right atrium
c)
Aorta
d)
Pulmonary artery
62.
Name the part.
a)
Left ventricle
b)
Vena cava
c)
Right atrium
d)
Right ventricle
63.
Name this part.
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
64.
Name this part.
a)
Right atrium
b)
Left ventricle
c)
Right ventricle
d)
Left atrium
65.
Which side of the heart pumps oxygen-rich blood to the rest of the body?
a)
Right
b)
Left
66.
Which side of the heart pumps blood into the lungs?
a)
Right
b)
Left
67.
What is the largest artery in the body?
a)
femoral artery
b)
brachial artery
c)
carotid artery
d)
aorta
68.

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

69.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
70.

What is the vein that carries blood in the heart?

a)

aorta

b)

vena cava

c)

left atrium

d)

right atrium

71.

How much can your heart weigh?

a)

7 to 15 ounces

b)

20 to 25 ounces

c)

8 to 20 ounces

d)

30 to 35 ounces

72.

How much does an adult heart weigh?

a)

300 grams

b)

50 grams

c)

500 grams

d)

800 g

73-82.
73.

What is the purpose of the fat layer around the heart?

a)

To regulate blood flow

b)

To protect the heart from friction

c)

To provide insulation

d)

To store energy

74.

What type of muscle is the heart made of?

a)

Skeletal muscle

b)

Voluntary muscle

c)

Smooth muscle

d)

Cardiac muscle

75.

Which chamber of the heart acts as a waiting room for blood?

a)

Pulmonary artery

b)

Ventricle

c)

Atrium

d)

Aorta

76.

What is the main function of the atrium in the heart?

a)

To receive blood from the body

b)

To pump blood to the body

c)

To oxygenate the blood

d)

To regulate heart rate

77.

Which part of the heart contracts to create the 'lub' sound in a heartbeat?

a)

Pulmonary artery

b)

Ventricle

c)

Atrium

d)

Aorta

78.

Where does the blood go after being oxygenated in the lungs?

a)

Vena cava

b)

Aorta

c)

Pulmonary arteries

d)

Pulmonary veins

79.

What is the function of the left ventricle in the heart?

a)

To receive blood from the body

b)

To pump blood to the body

c)

To oxygenate the blood

d)

To regulate heart rate

80.

Which vessel carries oxygenated blood from the heart to the body?

a)

Vena cava

b)

Aorta

c)

Pulmonary vein

d)

Pulmonary artery

81.

What is the main purpose of blood in the body?

a)

To transport oxygen and nutrients

b)

To fight infections

c)

To regulate body temperature

d)

To produce energy

82.

Where can you find more science activities and demonstrations from the Arizona Science Center?

a)

YouTube

b)

Facebook

c)

Instagram

d)

Twitter

83.
Separates the chambers of the heart.
a)
mitral valve
b)
septum
c)
aortic valve
84.
Unoxygenated blood enters the right atrium from the top of the heart.
a)
inferior vena cava
b)
superior vena cava
c)
aorta
85.
name of the valve that separates right atrium from right ventricle.
a)
tricuspid
b)
aortic
c)
mitral
86.
Unoxygenated blood enters the right atrium from the bottom of the heart.
a)
inferior vena cava
b)
superior vena cava
c)
pulmonary veins
87.
Valve that blood is forced through from right ventricle into pulmonary arteries.
a)
pulmonary valve
b)
aortic valve
c)
mitral valve
88.
Name of the valve that separates left atrium from left ventricle.
a)
mitral valve
b)
tricuspid
c)
pulmonary valve
89.
Major artery at the top of the heart sends oxygenated blood from the left ventricle to the rest of the body.
a)
aorta
b)
pulmonary artery
c)
inferior vena cava
90.
What portion of the heart is supposed to be  the most muscular?
a)
upper
b)
lower
c)
septum
91.
When the heart rate is less than 60 beats per minute.
a)
Bradycardia  
b)
Tachycardia
c)
Leukemia