Cardiovascular Crossword

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Across
  1. 3. double-layered membrane that surrounds the heart
  2. 4. regular however rapid contraction usually in the atria
  3. 5. largest artery in the body
  4. 9. smallest of blood vessels
  5. 10. inner lining of the blood vessels
  6. 12. blue coloring
  7. 14. instrument used to measure the blood pressure
Down
  1. 1. largest vein in the body
  2. 2. an abnormal swishing sound from improper closure of heart valves
  3. 6. heartbeat
  4. 7. meaning heart
  5. 8. upperchamber of the heart
  6. 11. structure that temporarily closes and opens that blood flows in one direction
  7. 13. when the heart is unable to pump the appropriate amount of blood
  8. 15. enters the blood through inspiration form the lungs