Cardiovascular system Vocabulary Cross-word

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Across
  1. 2. A four chambered muscular organ
  2. 3. Valve between right atrium and right ventricle
  3. 5. Smallest blood vessels in the body, connecting smallest arteries and veins
  4. 6. Blood type with B antigens and A anitbodies
  5. 9. Protein responsible for transporting oxygen in blood of vertebrates
  6. 11. Material that stimulates an immune response when introduced into body
  7. 13. Receives blood from the head, arms, and chest then empties into right atrium
  8. 16. Main organ of respiratory system
  9. 18. Regulates osmotic pressure and blood volume
  10. 20. Valve that prevents back flow of blood from aorta into left ventricle
  11. 21. Blood Type with both A and B antigens but neither A or B antibodies
  12. 23. Blood that oxygen poor
  13. 25. Blood vessel that returns blood to the heart
  14. 26. Large muscular upper chamber of the heart that receives and hold's blood that is about to enter the ventricle
  15. 29. Structure that divides the left and right sides of the heart
  16. 30. Phase when heart muscles contracts and pumps blood from chambers into arteries
  17. 31. Two main chambers of the heart
  18. 33. Straw-colored fluid that makes up 55% of blood
  19. 34. Large blood vessels that carries blood from the heart to the tissues of the body
  20. 36. "pacemaker" specialized bit of heart tissue that controls heart beat
  21. 37. Pressure Pressure of the blood against wall of arteries
  22. 38. Protein made by white blood cells, response to invasion of foreign substance
Down
  1. 1. Death or damage to part of the heart muscle because stop of blood flow to the particular area
  2. 4. Responsible for clotting blood
  3. 6. Veins, arteries, and capillaries are all classified as this
  4. 7. Protein found in plasma, produces fibrin
  5. 8. Sudden death of Brain cells sue to lack of blood flow
  6. 10. Blood containing oxygen that carries blood to the tissues of the body
  7. 12. Returns blood from only lower body
  8. 14. Also known as red blood cells, transport oxygen
  9. 15. vein that returns blood from head to heart
  10. 17. Also known as white blood cells, attack foreign substances
  11. 19. Protein formed from fibrinogen during blood clotting
  12. 22. Vein that returns blood from legs and lower body
  13. 24. Phase when entire heart is relaxed
  14. 27. Valve between left atrium and left ventricle
  15. 28. Blood type with neither A or B antigens but, both A & B antibodies
  16. 32. Arteries that supply heart with oxygen rich blood
  17. 35. Main artery of the body, supplying oxygenated blood to the circulatory system
  18. 38. Blood type containing A antigens and B antibodies