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  1. Human heart, artwork
  2. Electrical conduction in the heart controlled by pacemaker cells in the sinoatrial node.
  3. Heart and Brain
  4. Cross section of normal heart walls compared to walls that have experienced hypertrophy
  5. Human foot anatomy showing skin, veins, arteries, muscles and bones
  6. Heart attack, artwork
  7. Blood cells in blood vessel, artwork
  8. Red blood cells and molecules, artwork
  9. Heart anatomy, 19th Century illustration
  10. Cardiovascular system, historical artwork
  11. Structure of a human heart, artwork
  12. Cross-section of human heart. cardiovascular system
  13. Human body showing heart and main circulatory system position
  14. Cardiovascular system, artwork
  15. Veins and nerves of the neck. cardiovascular system, nervous system
  16. Pulmonary veins and arteries. circulation, cardiovascular system
  17. Superficial arteries and veins of face and scalp. cardiovascular system
  18. Internal view of the human heart
  19. Electrocardiogram showing the deflections of the alternate contractions of the heart
  20. Anatomy diagram showing crucial veins in human head and neck
  21. Heart anatomy, 18th century
  22. Arterial embolism
  23. Coronary artery disease
  24. Blood clot, SEM
  25. Anatomy of human circulatory system
  26. Artwork of bronchodilator action in asthma
  27. Heart anatomy, 19th Century illustration
  28. Anatomy of human body and circulatory system, front view
  29. Arterial supply and venous drainage of the organs.
  30. Cross section of human heart
  31. Build-up of atherosclerotic plaque in an artery
  32. Heart with arteries showing cholesterol in one and plaque in the other
  33. Artwork of cerebral embolism, cause of stroke
  34. Veins of the posterior abdominal wall. cardiovascular system
  35. Circulatory system and brain, artwork
  36. Circulatory system and brain, artwork
  37. Heart anatomy, 19th Century illustration
  38. Diagram of normal heart valve compared to artificial heart valve
  39. The arteries of the brain
  40. Transverse section of an artery. cardiovascular system, circulatory system
  41. Human heart, artwork
  42. Artwork showing a cut-away of a human arteriole
  43. Arteries of the posterior abdominal wall. cardiovascular system
  44. Human Heart Views
  45. Illustration of coronary artery atherosclerosis
  46. Heart disease, artwork
  47. Microscopic view of blood clotting inside the artery
  48. Heart in situ. cardiovascular system, respiratory system