Immune System

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Across
  1. 2. 'Killer' versions of T cells
  2. 4. immune response that is used to destroy infected cells
  3. 7. invading virus or bacteria
  4. 9. White blood cells
  5. 11. Form of second line immunity, appearing as swelling and redness
  6. 12. bind to receptors on helper t cells simulation rapid mitosis
  7. 15. proteins that bind to antigens, making them easier targets for phagocytes
  8. 17. surface structures of invading virus or bacteria
Down
  1. 1. A cell that consumes antigens
  2. 3. a type of B cell
  3. 5. part of an antigen
  4. 6. globular protein associated with the immune system
  5. 8. Serine proteases that trigger programmed cell death
  6. 10. cell division
  7. 13. an attenuated virus or bacteria that trigger an immune response in memory cells
  8. 14. Antibody-mediated immune response
  9. 16. breakdown of the cell wall