biology

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Across
  1. 2. A chemical substance found in mucus which can kill pathogens.
  2. 5. Substances that can kill bacteria or inhibit their cell processes.
  3. 8. Disease caused by genetics or lifestyle, cannot be passed from person to person.
  4. 12. Too much or too little of a specific nutrient in the diet
  5. 13. A protein on the surface of a cell that the immune system uses to recognise pathogens.
Down
  1. 1. Disease caused by pathogen that can be passed from person to person.
  2. 3. A type of white blood cell that can kill pathogens.
  3. 4. An organism which carries a pathogen from one person to another.
  4. 6. A microorganism thar causes disease
  5. 7. A fake drug used to compare results in clinical trials.
  6. 9. When a vaccine is used to protect a person from a specific pathogen.
  7. 10. A disease caused by a lack of a nutrient in the det
  8. 11. When many people over a large area are affected by the same pathogen