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Cardiovascular System Define

Total questions: 31

Worksheet time: 31mins

Name
Class
Date
1.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

blood vessels

d)

heart

2.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

3.

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.

4.

The heart is about the size and shape of your . . .

a)

head

b)

fist

c)

hand

d)

foot

5.

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,

6.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
7.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
8.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
9.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
10.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
11.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
12.
The aorta is the largest artery in the body. The blood leaving the aorta is full of?
a)
Oxygen 
b)
Carbon Dioxide 
c)
White blood Cells 
d)
Potassium 
13.

__________ Carry oxygen rich blood away from heart

a)

Arteries

b)

Veins

c)

Capillaries

14.
Which is the correct definition of the Circulatory system?
a)
The system fights disease so the body stays healthy.
b)
The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
c)
Breaks down food into smaller pieces and absorbs those nutrients into the body.
d)
Provides shape and structure for the body.
15.
What function does the heart do?
a)
Protects organs and produces red blood cells.
b)
Generates heat.
c)
Breaks down food into nutrients.
d)
The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows.
16.
What is the main function of the artery?
a)
It controls your brain and your thought process.
b)
They carry oxygen- poor blood BACK to the heart.
c)
Arteries carry oxygen- rich blood AWAY from the heart.
d)
It receives information (senses) and sends messages to the body about how to react to things.
17.
What does the Circulatory System do?
a)
Circulates the Blood throughout the body
b)
Circulates Water throughout the body
c)
Excretes Waste
d)
Controls all parts of the body
18.
What do Red-Blood cells do?
a)
Carry oxygen from the lungs to the body cells and  transport carbon dioxide from the cells back to the lungs
b)
keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
c)
Collects  blood from the capillaries and drain it into the veins
d)
Bring nutriients to the cells and carries away waste materials.
19.

What are white blood cells

a)

They are the same a red blood cells, but white

b)

They fight off disease and infection

c)

They carry food to your muscles

d)

they activate when you do exercise

20.

What are platelets?

a)

Very small plates used by woodland creatures and fairies

b)

The blood cells that form clots when you are cut to stop bleeding.

c)

They make your blood thinner when you are out of breath

d)

the take oxygen back to the heart

21.
In which system of the human body does the heart belong?
a)
Nervous
b)
Skeletal
c)
Cardiovascular
d)
Digestive
22.
Which best describes the relationship between the muscular system and the circulatory system? 
a)
The circulatory system captures carbon dioxide from the air for muscle energy.
b)
The circulatory system produces red blood cells to bring oxygen to the muscles
c)
The circulatory system provides a framework for muscle movement
d)
The circulatory system delivers oxygen for muscle energy
23.
Your blood is made up of which of the following...
a)
plasma, red blood cells, blue blood cells
b)
white and red blood cells
c)
plasma and platelets
d)
plasma, red blood cells, white blood cells, and platelets
24.

What is the function of arteries?

a)

Transport deoxygenated blood

b)

Transport oxygenated blood

c)

Site for exchange of materials

25.

What is the function of veins?

a)

Transport deoxygenated blood

b)

Transport oxygenated blood

c)

Site for exchange of materials

26.

Smooth muscles in arteries help

a)

to push blood along through peristalsis.

b)

to prevent the blood vessel from bursting.

c)

to maintain blood pressure.

d)

the blood vessel in elastic recoil in order to push the blood along during diastole.

27.

What is plasma?

a)

only white blood cells

b)

only red blood cells

c)

fluid part of blood

d)

hemoglobin

28.

Which diagram represents an artery?

a)

diagram A

b)

diagram B

c)

diagram C

29.

Which diagram represents a capillary?

a)

diagram A

b)

diagram B

c)

diagram C

30.

Which type of blood vessel is shown?

a)

artery

b)

vein

c)

capillary

31.

What does the thick wall of an artery enable it to do?

a)

stretch and recoil

b)

exchange substances

c)

withstand high-pressure blood