Across
- 1. These organs work in collaboration with specialized immunity and immune responses
- 3. Produced by B cells and include five classes
- 4. Formed in the bone marrow and lymph tissue; mature in the thymus or bone marrow
- 5. Changes in the ability to fight infection that occur with aging
- 7. This immunity is acquired after birth, and can be either active or passive
- 10. Associated with allergic reactions
- 11. A subset of lymphocytes taht mature in the bone marrow and produce antibodies
Down
- 2. This immunity provides protective barriers that are immediate, nonspecific, and without memory
- 3. This response occurs due to tissue damage
- 6. Involved in phagocytosis
- 8. Release histamine, heparin when stimulated
- 9. Activation occurs when macrophages present this cell with a phagocytized antigen