Other questions in this quiz

2. The valves in vains do what?

  • Keep the blood flowing in the right direction
  • Keep leprechauns from entering into the blood
  • Stop the blood flowing in the right direction
  • To increase the blood pressure

3. Arteries branch into what?

  • More arteries
  • Veins
  • Capillaries
  • Platelets

4. Arteries carry blood to the heart

  • false
  • true

5. Capillaries are how many cell thick?

  • ten
  • three hundred and ninety four
  • one
  • five
  • two
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