Across
- 2. fine branching blood vessel
- 4. an antibody that counteracts a toxin.
- 6. thin walled vessels
- 11. also called biologic therapy
- 13. small organ behind the breastbone
- 14. immunity not present at birth
- 15. type of white blood cell
- 16. type of white blood cell
- 18. a blood protein
Down
- 1. are antigen-presenting cells
- 3. large phagocytic cell
- 5. becomes less responsive to something
- 6. small glands that filter lymph
- 7. Immunity present at birth
- 8. your bodies system to fight disease
- 9. lymph nodes in area between lungs
- 10. body mistakes own cells as bad
- 12. also known as complement cascade
- 17. injecting virus to create antibodies
- 19. largest organ in the lymphatic system.