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Worksheets

Cardiovascular System

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Which part of the heart is this?
a)
Aorta
b)
Pumonary Vein
c)
Pulmonary Artery
d)
Left Atrium
2.
Which part of the heart is this?
a)
Aorta
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
3.
Which part of the heart is this?
a)
Pulmonary Vein
b)
Pulmonary Artery
c)
Right Atrium
d)
Tricuspid Valve
4.

These vessels carry blood away from the heart.

a)

arteries

b)

veins

c)

capillaries

d)

superior vena cava

5.

The exchange of oxygen and carbon dioxide takes place in these vessels.

a)

arteries

b)

veins

c)

inferior vena cava

d)

lung capillaries

6.

Brings blood to the heart from the upper portion of the body.

a)

pulmonary artery

b)

superior vena cava

c)

pulmonary vein

d)

inferior vena cava

7.

Thickest walled chamber of the heart.

a)

left atrium

b)

right ventricle

c)

left ventricle

d)

right atrium

8.

These vessels carry blood to each lung from the right ventricle.

a)

superior vena cava

b)

pulmonary arteries

c)

pulmonary veins

d)

aorta

9.

Blood in the right atrium:

a)

Oxygenated

b)

Deoxygenated

10.

Blood in the left ventricle:

a)

Oxygenated

b)

Deoxygenated

11.

Blood in the pulmonary artery:

a)

Oxygenated

b)

Deoxygenated

12.

Blood in the pulmonary veins:

a)

Oxygenated

b)

Deoxygenated

13.

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

a)

Plasma

b)

Veins

c)

Platelets

d)

Capillaries

14.

How many chambers does the heart have?

a)

4

b)

3

c)

2

d)

1

15.

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

a)

Capillaries

b)

Platelets

c)

Plasma

d)

Vena cava

16.

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

17.

What makes up around 55% of the blood?

a)

Plasma

b)

Red Blood Cells

c)

White Blood Cells

d)

Platelets

18.

What carries oxygen around the body?

a)

Plasma

b)

Red Blood Cells

c)

Platelets

d)

White Blood Cells

19.

What is the function (job) of the white blood cells?

a)

To transport oxygen around the body.

b)

To carry dissolved sugars.

c)

To clot and cover wounds like cuts and grazes.

d)

To release antibodies to help destroy infections.

20.

What is the function (job) of the plasma?

a)

To release antibodies to fight infections.

b)

To transport oxygen around the body.

c)

To carry dissolved nutrients and sugars.

d)

To transport oxygen around the body.