Preventing and treating disease

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Across
  1. 2. Part of the blood responsible for clotting the blood
  2. 6. A substance similar to the drug but doesn't do anything
  3. 8. A big outbreak of disease
  4. 9. The name of an antibiotic
  5. 10. When bacteria are no longer killed by antibiotics
  6. 11. A type of white blood cell that engulfs pathogens
  7. 13. Used to treat heart conditions and developed from foxglove
  8. 16. To check the drugs works
  9. 18. during a drug trial the patient does not know if they are getting the drug or the placebo
  10. 19. Green sticky substance produced by cells lining trachea and bronchi
  11. 20. The vaccine MMR protects against this pathogen
  12. 22. Drugs are checked for this to see if they are harmful
Down
  1. 1. Unique protein on pathogens cell membrane
  2. 3. A type of white blood cell that produces antibodies
  3. 4. Chemical drug taken to kill bacteria inside the body
  4. 5. Scientist who first discovered antibiotics
  5. 7. Chemical used outside of the body to kill bacteria
  6. 12. Drug trials tested on humans
  7. 14. A painkiller developed from willow bark
  8. 15. When you are protected against a disease
  9. 17. Y shaped proteins produced by lymphocytes
  10. 21. acts as a barrier preventing pathogens from entering blood