Worksheets91. HB-circulatory system
Total questions: 26
Worksheet time: 27mins
Name
Class
Date
1.
What is the main organ of the circulatory system?
a)
small intestine
b)
bone
c)
lungs
d)
heart
2.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
3.
Arteries carry oxygen rich blood away from the heart.
a)
True
b)
False
4.
Veins carry oxygen poor blood back to the heart.
a)
False
b)
True
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.
White blood cells
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
8.
Platelets
a)
allow for gases to exchange
b)
give blood its color
c)
fight infection and disease
d)
help clot blood
9.
The plasma that contains blood cells is mainly made up of
a)
cytoplasm
b)
nutrients
c)
waste
d)
water
10.
The heart is made up of _________ chambers
a)
one
b)
two
c)
three
d)
four
11.
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
12.
Your heart is an example of which type of muscle?
a)
a big one
b)
voluntary
c)
involuntary
d)
bicep
13.
Veins have special ________________ to stop blood from flowing backward.
a)
gravity
b)
valves
c)
arteries
d)
ventricles
14.
The upper chambers of the heart are known as...
a)
valves
b)
ventricles
c)
atria
d)
septum
15.
What is the largest artery in the human body called?
a)
Superior Vena Cava
b)
Aorta
c)
Inferior Vena Cava
d)
Pulmonary Artery
16.
The lower chambers of the heart are known as...
a)
valves
b)
ventricles
c)
atria
d)
septum
17.
The ___________ is the thick muscular wall that seperates the two sides of the heart.
a)
atria
b)
ventricles
c)
valve
d)
septum
18.
Identify
a)
Left atrium
b)
Right atrium
c)
Left ventricle
d)
Right ventricle
19.
What part of blood is responsible for carrying oxygen and carbon dioxide to body cells?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
20.
Which is not a type of blood vessel?
a)
arteries
b)
veins
c)
bone marrow
d)
capillaries
21.
The heart is made up of what kind of muscle?
a)
smooth
b)
cardiac
c)
skeletal
d)
voluntary
22.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
23.
Carbon dioxide is considered a _________________
a)
food
b)
waste
c)
energy
d)
fun party favor
24.
An abnormal widening/ballooning of a portion of an artery.
a)
aneurysm
b)
embolism
c)
thrombosis
d)
atherosclerosis
25.
The measurement of the number of times the heart beats per minute.
a)
AED
b)
BPM
c)
pulse
d)
pacemaker
26.
The (a) side of the heart works harder because it pumps blood to the whole body. The (b) side of the heart pumps blood to the lungs and back.
Choose from the below words
left
right
100 %
