Circulatory System Vocabulary

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Across
  1. 2. produces antibodies to aid in the immune response
  2. 3. inner lining of the heart
  3. 7. responsible for receiving blood from the veins leading to the heart, includes left and right atrium
  4. 9. play an important role in preventing blood loss
  5. 12. stimulate or inhibit body functions
  6. 14. death of heart muscle from the sudden blockage of a coronary artery by a blood clot
  7. 18. located in the walls of the right atrium which acts like the pacemaker
  8. 20. bundle of nodes
  9. 22. Types categories which define the differences in human blood due to the presence or absence of certain protein molecules called antigens and antibodies
  10. 24. first step in the two-step heart beat process
  11. 26. important for the exchange of oxygen, carbon dioxide and other molecules between blood and tissue
  12. 28. force the blood away from the heart with sufficient power to push the blood all the way back to the heart, includes left and right ventricle
  13. 30. in the blood plasma which determine blood type
  14. 31. second step in the heart-beat process
  15. 32. repeating pumping process of the heart
  16. 35. releases chemicals which reduce inflammation and attack parasites
  17. 38. has B antigens on the surface of the red blood cells and A antibodies in the blood plasma
  18. 40. sudden death of brain cells due to a problem with the blood supply caused by a blockage or the rupture of an artery
  19. 42. transfer of blood or blood components from one individual to another
  20. 44. carries blood from the left ventricle to the body
  21. 46. hollow utensils for carrying blood
  22. 48. Trunk carries blood from the right ventricle to the lungs
  23. 51. abnormal heart sounds resulting from narrowing or leaking of valves or the presence of abnormal passages through which blood flows in or near the heart
  24. 52. disease affecting arterial blood vessels by the buildup of plaque on the inner lining of the arteries causing them to narrow and be less flexible
  25. 54. Fibers carry the action potentials from the bundle branches to the ventricular walls causing the heart to contract
  26. 55. contained in blood vessels and consists of red blood cells, white blood cells, and platelets suspended in a fluid medium known a plasma
  27. 56. large microscopic cells without a nucleus which transport oxygen from the
  28. 60. sources of energy which promote enzyme activity
  29. 61. involves the presence or absence of the Rh factor, another antigen, on the red blood cell’s surface
  30. 63. opens to allow oxygen-rich blood to pass from the left ventricle into the aorta, your body’s largest artery, where it is delivered to the rest of your body
  31. 64. aid in blood pressure, transportation of materials, immunity and blood clotting
  32. 65. carry blood from the body to the right atrium
Down
  1. 1. state of balance or equilibrium between all systems and processes within the body
  2. 2. to all of the living tissues of the body and carry away carbon dioxide
  3. 4. eat microorganisms and other substances
  4. 5. considered to be present when a person’s systolic blood pressure is consistently 140mmHg or greater, and/or their diastolic blood pressure is consistently 90mmHg or greater, known as high blood pressure
  5. 6. protect the body against invading organisms and remove dead cells and other waste from the body
  6. 8. Potentials originate in the SA node and travel across the walls of the atrium to the AV node
  7. 10. smaller, thinner tubes of arteries which become fine branches
  8. 11. fatty material on the inner lining of the arteries causing them to narrow and be less flexible
  9. 13. Node located in the walls of the right atrium
  10. 15. regulates blood flow between the right atrium and right ventricle
  11. 16. strong elastic vessels designed to carry blood away from the heart at a high pressure
  12. 17. controls blood flow from the right ventricle into the pulmonary arteries, which carry blood to your lungs to pick up oxygen
  13. 19. involved in osmosis, membrane potential and acid-base balance
  14. 20. normal consequence of aging where the arterial walls gradually thicken and arterial fibers decline occurring commonly in the arteries in the brain, kidneys, heart, abdominal aorta and legs
  15. 21. located on the surface of the red blood cells which determine blood type
  16. 23. main blood vein leading to the heart
  17. 25. lets oxygen-rich blood from your lungs pass from the left atrium into the left ventricle
  18. 27. introduction of a fluid other than blood to the body such as saline or glucose solution
  19. 29. transports food, hormones, metabolic wastes and gases to and from cells
  20. 33. outer surface of the heart
  21. 34. bulge or ballooning in the wall of an artery
  22. 36. force exerted by circulating blood on the walls of blood vessels
  23. 37. leaves blood and becomes a macrophage which eats bacteria, dead cells, cell fragments and other debris
  24. 38. has both A and B antigens on the surface of the red blood cells and no A or B antibodies at all in the blood plasma
  25. 39. serves as a transport medium for glucose, lipids, amino acids, hormones, metabolic end products, carbon dioxide and oxygen
  26. 41. has A antigens on the surface of the red blood cells and B antibodies in the blood plasma
  27. 43. occurs when the arteries which supply blood to the heart muscle become hardened and narrowed as a result of atherosclerosis
  28. 45. has neither A or B antigens on the surface of the red blood cells but has both A and B antibodies in the blood plasma
  29. 47. process by which red blood cells are made hemoglobin composed of a protein called heme, which binds oxygen and is an iron-containing protein in red blood cells
  30. 49. carry blood from the lungs to the left atrium
  31. 50. muscular pump surrounded by a double layered closed sac made of fibrous connective tissue call the pericardium
  32. 53. carry blood from the body to the right atrium
  33. 57. muscle of the heart
  34. 58. releases histamine which promotes inflammation and heparin, which prevents blood clotting
  35. 59. clumping of particles which results when incompatible blood types are mixed within the body and the antibodies of one blood type react against the antigens of the other
  36. 62. carry low-oxygen blood from the tissues back to the heart; except for the pulmonary vein which carries oxygenated blood