CIRCULATORY SYSTEM WORKSHEET
HUMAN CIRCULATORY SYSTEM
a. Color the diagram below using the table as a key.
b. Color structures containing deoxygenated blood blue
c. Color structures containing oxygenated blood red.
superior vena cava
inferior vena cava
right atrium
tricuspid valve
right ventricle
pulmonary valve
pulmonary arteries
pulmonary veins
left atrium
mitral valve
left ventricle
aortic valve
aorta
RAT CIRCULATORY SYSTEM
Color the circulatory system using the table as a key.
inferior vena cava
right superior vena cava
left superior vena cava
right atrium
right ventricle
pulmonary trunk
left atrium
left ventricle
aortic arch
innominate artery
right common carotid artery
right subclavian artery
left common carotid artery
left subclavian artery
CHECKING for UNDERSTANDING
1. Trace the flow of blood in the rat heart.
beginning








end
superior and inferior vena cava
pulmonary trunk
lungs
aorta
2. Draw and label your OWN DIAGRAM of the dissected heart:
label the four chambers and the interventricular septum.
3. List two differences between the atria and ventricles:
a. _____________________________________
b. _____________________________________
4. Which blood vessels supply the heart itself with oxygen?
____________________________
5. Use the rat circulatory system diagram to state the name of the large vessels that return
deoxygenated blood from the heart to the lungs: _____________________________________