Unit 2 Crossword 2

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Across
  1. 1. smallest white blood cells; body's "specific" immunity
  2. 3. fast, localized clotting of blood at site of injury
  3. 5. movement in response to a chemical
  4. 6. group of white blood cells with granules and lobed nuclei
  5. 7. white blood cells that release histamine and heparin
  6. 10. structure absent in red blood cells, but present in white blood cells
  7. 11. high white blood cell count (infection)
  8. 12. white blood cells that phagocytize bacteria and viruses
  9. 13. white blood cells that defend against parasitic worms
  10. 15. final step in hemostasis; occurs via clotting mechanisms
  11. 17. movement in and out of blood vessels
  12. 18. another name for white blood cell
  13. 19. largest white blood cells; become macrophages
  14. 20. movement toward a stimulus
Down
  1. 2. fragments of megakaryocytes involved in clotting; also called thrombocytes
  2. 4. group of white blood cells with no granules
  3. 8. formation of new white blood cells
  4. 9. contraction of a blood vessel
  5. 14. fibers exposed in a broken blood vessel that allow platelets to stick
  6. 16. low white blood cell count (weakened immune system)