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