Cardiovascular and Lymphatic Blood and Immunity Crossword

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Across
  1. 8. a blood clot
  2. 10. left side to rest of body
  3. 11. number of times heart contracts per minute
  4. 12. a mass carried in the circulation; usually a blood clot
  5. 13. right side to lungs
  6. 15. Accumulation of fatty deposits within artery
  7. 17. Returns excess fluid and proteins from tissues to bloodstream
  8. 19. outside thin lining; covers heart
  9. 20. are stimulated by electrical impulses
  10. 21. is fluid that circulates through vessels
  11. 23. is usually blood clot; can also be air, fat, bacteria, or other solid materials
  12. 24. heart attack
  13. 25. relaxation
  14. 28. surrounding fibrous sac
  15. 29. Clotting factors convert fibrinogen to threads of fibrin
  16. 30. Located between lungs
Down
  1. 1. carry oxygen to cells
  2. 2. Protects against foreign substances
  3. 3. 90 percent water
  4. 4. Carry blood back to heart
  5. 5. Circulates blood throughout body
  6. 6. thick muscular layer that makes up heart wall
  7. 7. Carry blood away from heart
  8. 9. upper receiving chambers
  9. 14. Lower pumping chambers
  10. 16. Smallest vessels; Site of exchange between blood and tissues
  11. 18. contraction
  12. 22. inside lining; lines chambers and valves
  13. 26. blockage in a cerebral vessel
  14. 27. wave of increased pressure as ventricles contract