Body defences

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Across
  1. 4. the first line of defence in your stomach
  2. 5. this system defends your body from pathogens
  3. 6. type of white blood cell that eats pathogens
  4. 8. the first line of defence made by your eyes
  5. 10. a first line of defence produced by your nose
  6. 11. the first line of defence that covers the body
Down
  1. 1. type of white blood cell that makes antibodies
  2. 2. substance given to improve the immune system
  3. 3. colour of blood cells that fights pathogens
  4. 6. a microorganism that always causes disease
  5. 7. line of defence that blocks pathogens entering
  6. 9. line of defence that uses white blood cells