The Immune System

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Across
  1. 3. comprised of attenuated virus/bacteria which trigger an immune response and memory cells
  2. 8. these engulf the pathogen and break it down, they produce class II MHC proteins
  3. 9. b cells stimulate _ _ _ _ _ _ _ when antigens interact with their receptors
  4. 10. also called antibodies
  5. 13. when a cell is infected _ _ _ _ _ _ _ fragments from the virus interact with a class 1 MHC
Down
  1. 1. hybrid cells produced by the fusion of an antibody-producing lymphocyte with a tumour cell
  2. 2. when cells are infected with a pathogen these cells are activated
  3. 4. what are antigenic determinants called
  4. 5. what cells respond to chemicals released by pathogens during infection
  5. 6. type of white blood cells which fight bacteria by making antibodies
  6. 7. type of cells present in the body which are activated with a second exposure to an antigen
  7. 11. what is the non-specific immune response called
  8. 12. when an _ _ _ _ _ _ _ infects the host the immune system is triggered