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1. 
How many chambers does the heart have?
A.
Six
B.
Five
C.
Four
D.
Three
2. 
The movement of blood through the heart and body is called:
A.
Circulation
B.
Locomotion
C.
Ventriculation
D.
Heart pump
3. 
With circulation, the heart provides your body with:
A.
Oxygen
B.
Nutrients
C.
A way to get rid of waste
D.
All of the above
4. 
What parts act like doors that control blood flow in the heart?
A.
Valves
B.
Heart dams
C.
Kidneys
D.
Chambers
5. 
What organ removes waste from blood?
A.
Heart
B.
Lungs
C.
Eyes
D.
Kidneys