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The Circulatory System

Total questions: 15

Worksheet time: 9mins

Name
Class
Date
1.
What do the arteries do?
a)
pumps blood to the heart
b)
pumps blood to and from the heart
c)
carry's blood away from the heart 
d)
a muscle 
2.
What is the main organ in the circulatory system?
a)
vein
b)
lung
c)
heart
d)
aorta 
3.
What is the function of the heart?
a)
To pump blood around the body
b)
To remove oxygen from the blood
c)
To allow blood to flow through it 
d)

To breathe

4.
Veins carry oxygen poor blood back to the heart.
a)
False
b)
True
5.
Red blood cells transport __________ around our body.
a)
oxygen
b)
plasma
c)
bones
d)
cardiac muscles
6.
What is the purpose of white blood cells?
a)
carry oxygen
b)

fight pathogens and infection

c)
help the kidneys
d)

gives blood its colour

7.
What are the main parts of the cardiovascular system?
a)
heart and lungs 
b)
blood, blood vessels, and heart
c)
blood, heart, and brain
d)
veins, arteries, lungs, and heart
8.

Which system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues?

a)

Nervous

b)

Respiratory

c)

Circulatory

9.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
10.
What does blood do?
a)
Carries Water to cells
b)
Carries Oxygen to cells
c)
Carries Food to cells
d)
All of the above 
11.

Which of the following is NOT a function of the circulatory system?

a)

deliver needed materials

b)

remove waste from cells

c)

transport disease fighting cells

d)

break down food

12.

Which type of blood vessel functions to exchange materials between the blood and cells?

a)

vessels

b)

capillaries

c)

arteries

d)

veins

13.

Which part of blood allows blood to clot? (create scabs)

a)

red blood cell

b)

white blood cell

c)

plasma

d)

platelet

14.

Reorder the following blood vessels based on the size of their lumen, starting with the smallest

a)

Capillary

b)

Vein

c)

Artery

1)
2)
3)
15.

What is the function of valves?

a)

To allow blood to move through the body

b)

To stop the backflow of blood

c)

To open and close

d)

To absorb blood