Bacteria and Viruses

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Across
  1. 3. a place where harmful bacteria can be found
  2. 5. viruses make people ...
  3. 6. bacteria can do more damage if a person is very...
  4. 9. something bacteria makes in our digestive system
  5. 11. what viruses need to work
  6. 12. something that you need to see bacteria or a virus
  7. 16. viruses are bigger or smaller than bacteria
  8. 17. blood cells that create antibodies
  9. 18. a place where harmful bacteria can be found
  10. 19. what viruses need to multiply
Down
  1. 1. a virus that gives humans sore throat
  2. 2. bacteria tend to live together in ...
  3. 4. drugs which destroy bacteria
  4. 7. bacteria can do more damage if a person is ...
  5. 8. a way bacteria invade our bodies
  6. 10. a place where harmful bacteria can be found
  7. 13. bacteria can be round, rod-shaped or ...
  8. 14. bacteria can do more damage if a person is very...
  9. 15. what system helps defend us against bacteria and viruses