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6. Platelets are involved in the immune system

  • False
  • True

7. Which of the following is true about the Vena Cava...

  • it takes blood to the lungs
  • takes oxygenated blood to the rest of the body
  • Enters the heart via the right atrium
  • it is an artery

8. Plasma is around 55% water

  • True
  • False

9. The human circulatory system is...

  • a double circulatory system
  • a single circulatory system
  • a triple circulatory system
  • a quadruple circulatory system

10. Blood from the Left Hand Side of the heart must be carrying deoxygenated blood

  • False
  • True

11. Deoxygenated blood and oxygentated blood DO NOT mix

  • True
  • False