Cardiovascular terminology

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Across
  1. 3. contraction phase of the heartbeat
  2. 6. inner lining of the heart
  3. 8. beat of the heart
  4. 10. small artery
  5. 11. the upper chamber of the heart
  6. 12. the lower chamber of the heart
  7. 13. double membrane surrounding the heart
  8. 14. smallest blood vessel of the body
Down
  1. 1. innermost lining of blood vessels
  2. 2. instrument to measure blood pressure
  3. 4. partition or wall dividing a cavity
  4. 5. relaxation phase of the heartbeat
  5. 7. abnormal swishing sound caused by improper closure of the heart valves
  6. 9. record of electrical activity of the heart
  7. 11. largest artery of the body