The Body's immune System

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Across
  1. 9. an antibody test
  2. 10. produces white blood cells
  3. 11. this shows if something is present
  4. 12. feeling very cold
  5. 14. a protein formed in the body that fights against disease
  6. 15. to resist or drive away
  7. 16. produce sporozoites which are passed to human host
Down
  1. 1. anything that causes a disease
  2. 2. a microscopic living organism
  3. 3. the way we understand something
  4. 4. a virus or bacteria is deliberately given to you
  5. 5. disease of the small intestine causing severe diarrhoea
  6. 6. prevents bacteria from getting into the body
  7. 7. a preparation that helps your body to fight disease and produce immunity
  8. 8. travels to the liver and produce merozoites
  9. 10. HIV is transferred when infected blood from one person comes into contact with an open cut or wound
  10. 13. filters blood and removes old or damaged blood cells from the body