Stephanie Crossword puzzle

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Across
  1. 4. inflammatory chemical that makes blood vessels leaky
  2. 8. proteins that transport a bulk of the oxygen in blood
  3. 9. sac surrounding exterior of the heart that allows it to beat easily
  4. 11. fine branching blood vessels
  5. 13. layer of the heart that contracts
  6. 14. output the amount of blood the heart pumps in 1 minute
  7. 15. helps in the formation of blood clots
  8. 16. hereditary blood disorder that occurs from a lack of clotting
  9. 17. tissue covering the outside of the heart
  10. 18. pacemaker of the heart
  11. 19. volume volume of blood pumped out by each heartbeat
  12. 20. results in an increased WBC count
Down
  1. 1. guards two large arteries leaving the ventricular chambers
  2. 2. carries blood to the heart
  3. 3. obstruction of an artery
  4. 5. carries blood away from the heart
  5. 6. display of someones heartbeat
  6. 7. heart attack
  7. 10. serve to stop bleeding by clumping
  8. 12. nonliving fluid matrix inside blood cell