Name:
1.
Date:
Blood enters the right atrium

Oxygen-poor
blood

Atrium
contracts
3. Enters right ventricle
2. Blood
goes through
a valve
14. Blood
travels in a
vein back to
the heart
13. Blood travels out to the cells/ organs


Picks up
Carbon dioxide

Drops off
oxygen to the
cells

Picks up
Blood
carbon12.
dioxide
goes through
an artery
(aorta)
11. Blood
goes through
a valve
Period:

Oxygenpoor blood

Ventricle
contracts
The journey
of a red blood
cell…
4. Blood
goes through
a valve
5. Blood goes
through the
pulmonary
artery
6. Enters the lungs
 Drops off
 carbon
 dioxide

 Picks up
oxygen
7. Blood goes
through the
pulmonary vein
10. Enters left ventricle

Oxygen-rich
blood

Ventricle
contracts
9. Blood goes
through a
valve
8. Enters left atrium

Oxygen-rich
blood

Atrium
contracts
Questions:
1.
Which side of the heart has oxygen-rich blood?
2. Which side of the heart has oxygen-poor blood?
left
right
3. What type of blood vessel carries blood away from the heart?
4. Which type of blood vessel carries blood back to the heart?
artery
Vein
5. Which two boxes represent places in the body where you will find capillaries (name both the number
and the name of the place)?
In the lungs (Box #6) and in the body/ organs (Box #13)
6. Based on the diagram, name two places in the body where valves are located.
1. Between atria and ventricles
2. Between ventricles and the arteries
7. Which series of numbers (boxes) represent pulmonary circulation?
Boxes 5-8 represent blood flow between heart and lungs
8. Which series of numbers/ boxes represent systemic circulation?
Boxes 12- 1 represent blood flow between the heart and the body systems