Immunity

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Across
  1. 4. When a disease spreads rapidly across a number of countries and continents
  2. 6. Artificial active immunity which is injected
  3. 7. Y-shaped glycoproteins which bind to a specific antigen
  4. 9. enzymes in this organelle digest pathogens
  5. 11. The first milk produced by a mammalian mother which is very high in antibodies
Down
  1. 1. Antibodies cause pathogens to clump together
  2. 2. Gland where T lymphocytes mature
  3. 3. the process of pathogens being engulfed by phagocytes
  4. 5. cell-signalling molecules which stimulate the specific immune system
  5. 8. Chemical produced by T killer cells which kills pathogen by making holes in the cell membrane
  6. 10. Chemicals which bind to pathogens and tag them so that they can be recognised by phagocytes