- 1. The cartoon character is named HEMO, which is the Greek word for
A) saliva
B) blood
C) skin
D) water
- 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) the heart
B) arteries
C) veins
D) capillaries
- 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 two liter bottle
C) a gas tank
- 7. The heart will pump OUTSIDE the body for a short time, and LONGER time if it has the right fluid.
A) True
B) False
- 8. The blood pressure changes if you stand too fast, and your heart
A) speeds up to keep the pressure
B) slows down to keep BP low
C) is scared
- 9. Your heart is regulated by these others but NOT your
A) nerves
B) bones
C) muscles
- 10. These have one way valves to keep the blood flowing correctly and are heped by muscle movement (especially exercise)
A) capillaries
B) arteries
C) veins
- 11. Blood is composed of fluid most like
A) sea water
B) pure water
C) pond 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) pencil
B) human hair
C) finger
- 13. Blood cells laid side by side would be equal to one inch
A) 300000
B) 300
C) 3000
- 14. When you are ACTIVE the blood is moved to the
A) STOMACH/Diegstive Sys
B) MUSCLES
C) BRAIN
- 15. When you are RELAXED blood is moved to the
A) Brain
B) Muscles
C) Digestive system
- 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) what happens when you are scared
B) taking a break
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) FALSE
B) TRUE
- 19. Human hearts beat about ____ times per minute, at rest
A) 45-60
B) 60-70
C) 70-80
- 20. The blood pressure rises when you are stressed just as the heart beats faster
A) FALSE
B) TRUE
- 21. A way to keep your heart healthy is to rest as much as possible
A) TRUE
B) FALSE
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