Cardiovascular system

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Across
  1. 3. Phase when the heart muscle is contracting
  2. 6. Fluid filled spaces around arterioles, capillaries and venules
  3. 8. Related to vein or veins
  4. 9. Administering into a vein
  5. 11. Thin membrane that surrounds the heart, outer covering of the heart
  6. 13. Pertaining to the heart
  7. 16. Disease of the heart muscle that makes it harder for the heart to pump
  8. 18. Small artery
  9. 20. Thin tissue layer that lines the inside of the heart
  10. 21. Slower than normal heart rate
  11. 23. Pumping chambers of the heart
  12. 24. Small vein
  13. 27. Faster than normal heart rate
  14. 28. Pertaining to the lungs
  15. 29. Shows the blood flow through arteries, veins or the heart.
Down
  1. 1. EKG or ECG, record of the electrical activity of the myocardium
  2. 2. Graphic outline of the heart's movement
  3. 4. Narrowing
  4. 5. Inflammation of a vein
  5. 7. Valve between the atrium and ventricle
  6. 10. No heart activity
  7. 12. Related to artery or arteries
  8. 14. Main artery leaving the heart
  9. 15. Muscle of the heart
  10. 17. Using a needle to remove blood from a vein
  11. 19. Phase when the heart muscle is relaxed
  12. 22. Superior chambers of the heart, blood enters here
  13. 25. Inner layer of pericardium, closes to heart
  14. 26. One who specializes in treating conditions of the heart and blood vessels