Crossword Puzzle: Immunology

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Across
  1. 3. ___ Immunity. Acquired and slowly developed overtime
  2. 6. Examples like the Skin, Mucous membrane
  3. 8. Development of disease
  4. 11. Type of white blood cell that produces antibodies
  5. 12. Foreign substances that enter the body, making you sick
Down
  1. 1. A substance produced by lymphocytes in response to foreign cells
  2. 2. Another name for white blood cell
  3. 4. The biological study of immune systems
  4. 5. The process of foreign substances attacking your body
  5. 7. Type of white blood cell that ingest invader cells
  6. 9. ___ Immunity. First Line of Defence
  7. 10. Foreign substances introduced to the body