Immune system

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Across
  1. 1. immune response that uses B-cells
  2. 2. One of the production sites of B cells
  3. 4. serine protease released by T-cell
  4. 6. help protect the nasal passage
  5. 7. Lymphocyte that produces antibodies
  6. 9. type of antigen-presenting cell
  7. 10. process by which a macrophage 'eats' bacteria
  8. 11. cells able to move between cell walls
  9. 12. molecule that binds to receptors on t-cells which stimulates mitosis
Down
  1. 1. usually 'y'-shaped protein
  2. 3. immune response mediated by bound antigens
  3. 4. phase when memory cells are inactive
  4. 5. antibody class produced in the bodies secretions
  5. 8. type of white blood cell produced in bone marrow