Barbie Crossword puzzle

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Across
  1. 3. the inflammation of the inner lining of the heart
  2. 4. upper chamber of the heart
  3. 8. type of Blood that is oxygen-poor.
  4. 9. Inner lining of the heart
  5. 11. the Lower tip of the heart
  6. 12. the condition of rapid heartbeat
  7. 13. the Relaxation phase of the heartbeat
  8. 15. Smallest type of blood vessel
Down
  1. 1. the Largest artery in the body
  2. 2. a type of Valve between the left atrium and the left ventricle
  3. 5. called the Small vein
  4. 6. pertaining to the vein
  5. 7. the condition of deficient oxygen
  6. 10. the lower chamber of the heart
  7. 14. The contractive phase of the heartbeat
  8. 16. pertaining to the upper chamber of the heart