The Heart

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Across
  1. 2. abnormal swishing sound caused by faulty heart valves
  2. 4. small vein
  3. 5. Record of electrical activity of the heart
  4. 10. inner lining of the heart
  5. 11. carries oxygenated blood from the lungs to left atrium
  6. 12. upper chambers of the heart
  7. 13. small artery
  8. 14. carries blood from body tissues back to the heart
Down
  1. 1. Valve between the right atrium and right ventricle
  2. 3. One of the lower chambers of the heart
  3. 6. Muscular middle layer of the heart
  4. 7. largest artery in the body
  5. 8. partition or wall dividing a cavity, like between the atria
  6. 9. valve between the left atrium and left ventricle
  7. 11. beat of the heart felt through the walls of the arteries