Cardiovascular system

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Across
  1. 3. broadening of blood vessels
  2. 8. muscular-walled tube which carries blood away from the heart
  3. 9. administering into a vein
  4. 11. faster than normal heart rate
  5. 13. phase when the heart muscle is relaxed
  6. 14. no heart activity
  7. 15. slower than a normal heart rate
Down
  1. 1. pertaining to the lungs
  2. 2. narrowing
  3. 4. main artery leaving the heart
  4. 5. relating to the heart
  5. 6. enlargement of the heart
  6. 7. obstruction of blood supply
  7. 10. murmur sounds made by blood in or near your heart
  8. 12. low blood pressure