- 1. The cartoon character is named HEMO, which is the Greek word for
A) water
B) skin
C) saliva
D) blood
- 2. Blood was used for plants and later found it ______ the plants.
A) killed
B) fertilized
C) watered
 - 3. In the 1600's William Harvey had dscovered the circulatory system except for
A) arteries
B) capillaries
C) veins
D) the heart
- 4. The heart has ____ chambers with matching one-way valves
A) four
B) three
C) two
- 5. Most Animals have a heart and circulatory system
A) True
B) False
 - 6. In Ten DAYS the human heart could fill
A) a swimming pool
B) a gas tank
C) a two liter bottle
- 7. The heart will pump OUTSIDE the body for a short time, and LONGER time if it has the right fluid.
A) False
B) True
- 8. The blood pressure changes if you stand too fast, and your heart
A) speeds up to keep the pressure
B) is scared
C) slows down to keep BP low
- 9. Your heart is regulated by these others but NOT your
A) muscles
B) nerves
C) bones
 - 10. These have one way valves to keep the blood flowing correctly and are heped by muscle movement (especially exercise)
A) arteries
B) veins
C) capillaries
- 11. Blood is composed of fluid most like
A) sea water
B) pond water
C) pure water
- 12. The capillary vessels are so small that they are ONE cell wide and fifty of them bundled together would still be smaller than a
A) human hair
B) finger
C) pencil
 - 13. Blood cells laid side by side would be equal to one inch
A) 300
B) 300000
C) 3000
- 14. When you are ACTIVE the blood is moved to the
A) BRAIN
B) STOMACH/Diegstive Sys
C) MUSCLES
- 15. When you are RELAXED blood is moved to the
A) Digestive system
B) Brain
C) Muscles
- 16. When you pass out or are knocked out, your body goes horizontal (on the floor) because
A) you need to stand up
B) little people are running arounf=d inside your body
C) your blood flow can get to the brain and wake you up
- 17. We now know that SHOCK is the body
A) taking a break
B) what happens when you are scared
C) trying to get blood to the center of the body, vital organs to survive
- 18. Since this movie was made, science has explained nothing more about the circulatory system
A) TRUE
B) FALSE
- 19. Human hearts beat about ____ times per minute, at rest
A) 60-70
B) 45-60
C) 70-80
- 20. The blood pressure rises when you are stressed just as the heart beats faster
A) TRUE
B) FALSE
- 21. A way to keep your heart healthy is to rest as much as possible
A) TRUE
B) FALSE
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