Health

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Across
  1. 2. an organism such as an insect that transmits pathogens
  2. 6. is a serious inflammation of the lungs
  3. 8. the result of pathogens or germs invading the body multiplying and harming some of your body cells
  4. 10. substances that send the immune system into action
  5. 13. simple one-celled organisms
  6. 14. able to spread to others by direct or indirect contact
  7. 16. is a highly communicable viral disease characterized by fever, chills, fatigue, headache, muscle aches, and respiratory symptoms
  8. 18. the smallest and simplest pathogens
  9. 19. bacterial disease that usually affects the lungs
Down
  1. 1. are one-celled organisms that are more complex than bacteria
  2. 2. a preparation of dead or weakened pathogens that are introduced into the body to cause an immune response
  3. 3. is the ability to resist the pathogens that cause a particular disease
  4. 4. organisms that are more complex than bacteria but cannot make their own food
  5. 5. cleanliness
  6. 7. is a viral disease characterized by an inflammation of the liver and yellowing of the skin
  7. 9. germs that cause diseases
  8. 11. organisms that are so small they can only be seen through a microscope
  9. 12. specific proteins that attach antigens to keep them from harming the body
  10. 15. special white blood cells in the blood in the lymphatic system
  11. 17. any condition that interferes with the proper functioning of the body and mind