WorksheetsCardiovascular System
Total questions: 25
Worksheet time: 16mins
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.
The heart is about the size and shape of your . . .
a)
head
b)
fist
c)
hand
d)
foot
4.
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,
5.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
6.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
7.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat.
a)
respiratory
b)
digestive
c)
skeletal
d)
nervous
8.
Identify
a)
Pulmonary veins
b)
Pulmonary artery
c)
Aorta
d)
Vena cava
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.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
12.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
13.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
14.
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
15.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
16.
Carry blood away from heart; mostly oxygen-rich
a)
Arteries
b)
Veins
c)
Capillaries
17.
Which type of blood vessel has the thickest layer of smooth muscle in its walls?
a)
Arteries
b)
Veins
c)
Capillaries
d)
Ventricles
18.
What is pulmonary circulation?
a)
Blood travelling to and from the lungs
b)
Blood travelling to and from the body
c)
A blood clot in the lungs
d)
The vessel that brings blood to the lungs
19.
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.
20.
Which is NOT a function of the circulatory system?
a)
deliver O2 and nutrients to cells
b)
remove CO2 and wastes from cells
c)
break down carbohydrates into glucose
d)
transport other materials through body
21.
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.
22.
What does blood do?
a)
Carries Water to cells
b)
Carries Oxygen to cells
c)
Carries Food to cells
d)
All of the above
23.
What is included in the respiratory system?
Select ALL that apply.
a)
nose
b)
trachea
c)
lungs
d)
diaphragm
24.
Identify #6 on the diagram
a)
aorta
b)
pulmonary trunk
c)
superior vena cava
d)
inferior vena cava
25.
Identify #10 on the diagram
a)
aorta
b)
left pulmonary artery
c)
left pulmonary veins
d)
right pulmonary artery
100 %
