Communicable Diseases

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Across
  1. 3. substances that send the immune system into action
  2. 5. organisms that are so small they can only be seen through a microscope
  3. 8. special white blood cells in the blood and Lymphatic system
  4. 9. able to spread by direct or indirect contact
  5. 10. a secondary circulatory system that helps the body fight pathogens
  6. 12. any condition that interferes with the proper function of the body and mind
  7. 14. the ability to resist the pathogens that cause a particular disease
  8. 18. simple one celled organisms
  9. 19. a preparation of dead or weakened pathogens that is introduced into the body to cause an immune response
  10. 20. the bodies response to injury or disease resulting in a condition of swelling, pain, heat, or redness
Down
  1. 1. specific proteins that attach to antigens keeping them from harming the body
  2. 2. an organism such as an insect that transmits pathogens
  3. 4. a combination of body differences made up of cells, tissues, and organs that fight pathogens in the body
  4. 6. the smallest and simplest pathogens
  5. 7. organisms that are more complex than bacteria and cannot make their own food
  6. 11. a disease that can be spread from a person to another person
  7. 13. cleanliness
  8. 15. one celled organisms that are more complex than bacteria
  9. 16. germs that cause diseases
  10. 17. the result of pathogens or germs invading the body