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WorksheetsThe Circulatory System
Total questions: 16
Worksheet time: 16mins
Name
Class
Date
1.
The heart is divided into how many parts.
a)
2
b)
4
c)
8
d)
1
2.
Veins carry oxygen poor blood back to the heart.
a)
False
b)
True
3.
The five main parts of the circulatory system are?
a)
heart, blood, nutrients, flakes, skin
b)
heart, blood, valves, crust, mantle
c)
heart, blood, veins, arteries, capillaries
d)
heart, blood, cells, skin, nerves
4.
The four chambers of the heart are:
a)
Right Atrium, Right Ventricle, Left House, Left In
b)
Right Atrium, Right Ventricle, Left Atrium, Left Ventricle
c)
Right Atrium, Right Ventricle, Left Car, Left Room
d)
Right Atrium, Right Ventricle, Left Aboard, Left Vehicle
5.
What is the main organ of the circulatory system?
a)
small intestine
b)
bone
c)
lungs
d)
heart
6.
Arteries carry oxygen rich blood away from the heart.
a)
True
b)
False
7.
The heart is about the size and shape of your . . .
a)
head
b)
fist
c)
hand
d)
foot
8.
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,
9.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
10.
About how many times does the heart beat during an average life time?
a)
60,000
b)
3 billion
c)
3,000
d)
300,000
11.
arteries, veins, and capillaries are three types of __________
a)
heart valves
b)
blood vessels
c)
cells
d)
veins
12.
What makes the contents of blood, excluding plasma?
a)
red blood cells
b)
white blood cells
c)
bone marrow
d)
spontaneous creation
13.
What does blood transport?
a)
Nutrients
b)
Oxygen
c)
Carbon Dioxide
d)
All of the above
14.
When does your heart beat?
a)
Only when you are exercising
b)
Only when you are sleeping
c)
All the time
15.
What side of your chest is your heart on?
a)
Left
b)
Right
16.
Where does your heart get oxygen?
a)
Lungs
b)
Mouth
c)
Toes
d)
Fingernails
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