Chapter 9 Crossword Quiz

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Across
  1. 3. one-cell thick, small lumen, lowpressure
  2. 6. blood vessel that supply blood to the heart.
  3. 8. A protein in red blood cells that binds with oxygen.
  4. 9. chamber that containing blood with the lowest concentration of oxygen from vena cava
  5. 11. F
  6. 12. B
  7. 14. A wall of muscle that separates the left and right sides of the heart.
  8. 15. heart chamber that is responsible to pump blood.
  9. 16. blood cell that responsible to blood clotting
  10. 17. severe chest pain that indicates CHD.
  11. 18. blood vessel that responsible to send blood to the liver.
  12. 19. structure that prevents backflow of blood from artery to ventricle
  13. 20. D
Down
  1. 1. Blood cell involved in defence against pathogen.
  2. 2. A circulatory system in which blood passes through the heart once in one complete cycle.
  3. 4. chamber that receives blood from pulmonary vein
  4. 5. A
  5. 7. E
  6. 10. structure that prevents blood going from ventricle to atrium
  7. 13. C