355 Module 4 Ch 18

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