Across
- 1. Organ that holds T cells
- 5. Division of the adaptive immune system meditated by B cells
- 7. Most common granulocyte
- 9. Organ that purifies blood
- 11. Name means "big eater"
- 13. Lymphocyte associated with humoral immunity
- 17. "Specific" division of the immune system
- 19. Tissue that produces blood cells
- 20. Links the adaptive and innate immune systems
- 21. "Non-Specific division of the immune system
Down
- 2. Type of progenitor cell for the innate immune system
- 3. The organ that is the body's first physical barrier to the outside environment.
- 4. Can mature into other types of leukocytes, is the primary phagocytic cell in the blood
- 6. Division of the adaptive immune system mediated by T cells
- 8. Granulocyte that deals with mild allergic reactions
- 10. Releases histamine during severe allergic reactions
- 12. Granulocyte that neutralizes parasitic infections
- 14. Tissues that hold lymphocytes and phagocytic cells
- 15. Type of progenitor cell for the adaptive immune system
- 16. Organ that holds beneficial bacteria
- 18. Lymphocyte associated with cell-mediated immunity
