Blood, Immune and Lymphatic System

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Across
  1. 1. acts as a carrier to shuttle molecules through the blood
  2. 3. formed elements
  3. 5. play a crucial role in immunity
  4. 7. contain histamine granules that attract other wbc's to inflamed site
  5. 9. cell fragments that help stop bleeding
  6. 10. where lymph is filtered
  7. 13. shape of red blood cells
  8. 16. largest lymphoid organ
Down
  1. 2. largest percentage of white blood cells
  2. 4. largest leukocyte
  3. 6. red blood cells
  4. 8. protein that functions as oxygen transport
  5. 11. counterattack parasitic worm infections
  6. 12. proteins secreted by activated b cells or plasma cells in response to an antigen
  7. 14. substances that can mobilize the immune system and provide an immune response
  8. 15. white blood cells