Immunity, Infection and Disease

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Across
  1. 2. the B cells that secrete antibodies into the bloodstream
  2. 4. protein molecules that act as messengers between cells
  3. 5. the process induced by natural killer cells to eradicate tumours or virus-infected cells
  4. 9. the type of barrier in your tears or saliva
  5. 12. a foreign substance that stimulates the formation of specific antibodies
  6. 13. the line of defence that is non-specific but internal
  7. 14. an organism that carries a pathogenic organism from one host to another
  8. 15. the property of immunity allowing the body to respond faster and stronger upon second encounter
  9. 16. Immunity by encountering the pathogen for the first time
  10. 17. a type of cell that functions as an antigen presenting cell
  11. 18. immune response involving the production of antibodies
  12. 19. an individual that is a host to a pathogen, does not experience symptoms but can transmit infection
  13. 20. oval shaped structure located along the length of the lymph vessels
Down
  1. 1. site of maturation for T cells
  2. 3. assist phagocytes in recognising the presence of pathogens
  3. 6. Type of immune response everyone is born with
  4. 7. increase in the body's thermoregulatory set-point
  5. 8. a disease causing cellular or non-cellular agent
  6. 10. molecule released from the MAST cell causing inflammation
  7. 11. treatment given to fight viral infections