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WorksheetsHuman Circulatory System
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
What is the largest artery in the human body called?
a)
Superior Vena Cava
b)
Aorta
c)
Inferior Vena Cava
d)
Pulmonary Artery
2.
To pump and circulate blood is the work of which organ?
a)
lungs
b)
liver
c)
pancreas
d)
heart
3.
Pulmonary referrs to the lungs, blood leaving the heart through the pulmonary artery is high in which gas?
a)
nitrogen
b)
carbon dioxide
c)
oxygen
d)
helium
4.
Which is a function of the cardiovascular system?
a)
to move water throughout the body
b)
to transport gases throughout the body
c)
to eliminate waste from the body
d)
to provide structural support for the body
5.
These cells, in the blood, carry oxygen and give the blood its color.
a)
white blood cells
b)
plasma
c)
platelets
d)
red blood cells
6.
This type of vessel carries blood TO the heart:
a)
vein
b)
nerve
c)
muscle
d)
artery
7.
When oxygen-rich blood is carried AWAY from the heart, it travels through an...
a)
artery
b)
neuron
c)
vein
d)
straw
8.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
9.
Veins have special ________________ to stop blood from flowing backward.
a)
gravity
b)
valves
c)
arteries
d)
ventricles
10.
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
11.
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
12.
Which describes a task performed by the circulatory system?
a)
creating red blood cells
b)
sending messages to the brain
c)
transporting waste materials
d)
producing energy from food
13.
Which best describes the purpose of the cardiovascular system?
a)
It provides stability to the skeleton
b)
It delivers food to power the body
c)
It delivers blood to the body's tissues
d)
It supplies oxygen to the body
14.
The plasma that contains blood cells is mainly made up of
a)
cytoplasm
b)
nutrients
c)
waste
d)
water
15.
Veins carry blood _________ the heart.
a)
back to
b)
away
c)
parallel
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