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WorksheetsThe Human Circulatory System
Total questions: 10
Worksheet time: 5mins
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.
The upper chambers of the heart are known as...
a)
valves
b)
ventricles
c)
atria or auricle
d)
septum
3.
To pump and circulate blood is the work of which organ?
a)
lungs
b)
liver
c)
pancreas
d)
heart
4.
The lower chambers of the heart are known as...
a)
valves
b)
ventricles
c)
atria
d)
septum
5.
Blood high in carbon dioxide enters the heart through the superior vena cava into which atria?
a)
left
b)
right
6.
Blood leaving the heart to go to the body leaves from which ventricle?
a)
left
b)
right
7.
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
8.
The ___________ is the thick muscular wall that seperates the two sides of the heart.
a)
atria
b)
ventricles
c)
valve
d)
septum
9.
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
10.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
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