Biology

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Across
  1. 2. People who do not know they are sick
  2. 3. A system that keeps you healthy
  3. 8. A period from infection to symptoms
  4. 10. A disease caused by dog bites
  5. 12. There are good and bad ones
  6. 15. ___ Phone
  7. 16. ____ Postulates
  8. 17. The smallest living thing
  9. 19. When the body is not working as it should
  10. 21. We need to breathe this in
  11. 22. ___ Knobs
Down
  1. 1. A type of contact
  2. 4. Green and sticky to trap bacteria
  3. 5. An example of indirect contact
  4. 6. A bacteria is a ___ thing
  5. 7. Can spread disease
  6. 9. Something that can cause disease
  7. 11. Covid is an example of this
  8. 13. An example of a disease
  9. 14. science, tech, engineering and math
  10. 15. An example of a disease
  11. 18. A mosquito is an example
  12. 20. It carries red and chite cells