WorksheetsHeart & The Blood
Total questions: 20
Worksheet time: 12mins
Name
Class
Date
1.
What is the main organ of the circulatory system?
a)
small intestine
b)
bone
c)
lungs
d)
heart
2.
Arteries carry oxygen rich blood away from the heart.
a)
True
b)
False
3.
Veins carry oxygen poor blood back to the heart.
a)
False
b)
True
4.
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.
5.
The heart is about the size and shape of your . . .
a)
head
b)
fist
c)
hand
d)
foot
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.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
12.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
13.
The cells in the blood that help fight germs and illnesses are the...
a)
red blood cells
b)
platelets
c)
white blood cells
d)
axons
14.
The liquid part of blood that makes up 55% of its composition?
a)
Plasma
b)
Platelets
c)
White blood cells
d)
Red blood cells
15.
White blood cells
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
16.
Platelets
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
17.
Veins carry blood _________ the heart.
a)
back to
b)
away
c)
parallel
18.
True or false: The circulatory system includes all of your bones.
a)
True
b)
False
19.
The job of the red blood cell is to
a)
fight infection
b)
deliver oxygen and discard carbon dioxide
c)
form scabs
20.
The four parts of the blood are
a)
plasma, platelets, red blood cells, white blood cells
b)
plasma, blue blood cells, white blood cells, red blood cells
c)
ventricle, atrium, vein, artery
100 %
