Blood & Circulatory System

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Across
  1. 1. white blood cell that engulfs pathogens
  2. 4. blood vessels in networks near tissues
  3. 6. carried by red blood cells
  4. 8. takes blood away from the heart
  5. 9. blood vessel connected to left ventricle
  6. 11. chiefly responsible for clotting
  7. 13. waste product carried in blood, excreted via lungs
  8. 14. proteins involved in clotting
  9. 16. waste product carried in blood, excreted via kidneys
  10. 17. carries blood to the heart
  11. 20. blood vessel connected to left atrium
  12. 21. holds platelets together in a mesh
Down
  1. 1. blood vessel connected to right ventricle
  2. 2. valves prevent this
  3. 3. white blood cell that gives long lasting immunity
  4. 5. hormone that increase heart rate
  5. 7. blood vessel connected to right atrium
  6. 10. protein on the surface of a pathogen
  7. 11. the liquid component of blood
  8. 12. protein created by lymphocytes that kills pathogens
  9. 15. related to kidneys
  10. 18. related to liver
  11. 19. related to the heart