Ch. 21 - Infectious Disease

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Across
  1. 1. vaccinations
  2. 3. an unusually high occurrence of a disease in a certain place during a certain time period
  3. 4. your body's ability to destroy a disease it has previously encountered
  4. 5. where your immune system is contained
  5. 8. another special type of lymphocyte
  6. 10. organisms such as yeast, mold, or mushrooms
  7. 13. protiens that attach to the surface of pathogens
  8. 15. another type of white blood cell
  9. 16. when an epidemic affects many areas of the world
  10. 18. protective linings in your mouth, eyes, and nose
  11. 19. the smallest pathogens
  12. 22. simple, single-celled microorganisms
  13. 23. complex, single-celled organisms
  14. 24. a type of white blood cell
Down
  1. 2. fights disease by producing a separate set of weapons for each pathogen
  2. 6. caused by organisms or viruses that enter the body and multiply
  3. 7. poisons given off by bacteria
  4. 9. a drug that inhibits or kills bacteria
  5. 11. small amounts of dead or modified pathogens or their toxins
  6. 12. microorganisms and viruses that cause disease
  7. 14. one special type of lymphocyte
  8. 17. so small they can only be seen through a microscope
  9. 20. your body's general response to all kinds of injury
  10. 21. a disease that has become increasingly common in humans over the past 20 years