GERMS AND OUR IMMUNE SYSTEM

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Across
  1. 3. ___ CAN HELP PREVENT SOME DISEASES.
  2. 6. WHEN A VIRUS CHANGES IT ___.
  3. 9. WHAT WE USE TO SEE BACTERIA AND VIRUSES.
  4. 11. ILLNESSES THAT AFFECT ORGANISMS
  5. 15. ___YOUR MOUTH WHEN YOU COUGH OR SNEEZE.
  6. 16. NOT ALL BACTERIA ARE HARMFUL. SOME ARE ___.
  7. 17. SINGLE CELL ORGANISM (GOOD AND BAD)
  8. 19. SOME BACTERIA CAN BE MADE INTO ___.
  9. 20. COVID-19 IS A ___ BECAUSE IT AFFECTS THE WHOLE WORLD.
  10. 21. LIKELY TO CAUSE HARM
Down
  1. 1. THE BUILDING BLOCKS OF ALL LIVING THINGS
  2. 2. KEEP YOUR HANDS AWAY FROM YOUR ___.
  3. 4. OUR BODY'S WAY OF FIGHTING ILLNESSES
  4. 5. WASH YOUR HANDS FOR AT LEAST ___ SECONDS.
  5. 7. COVID-19 IS CAUSED BY A ___.
  6. 8. ALWAYS USE ___ WHEN YOU WASH YOUR HANDS.
  7. 10. ORGANISMS THAT CAN MAKE US SICK
  8. 12. WHEN WE GET SICK, WE HAVE AN ___.
  9. 13. SPREAD FROM ONE ORGANISM TO ANOTHER
  10. 14. ANY LIVING THING
  11. 18. SCIENTISTS CANNOT AGREE IF VIRUSES ARE ___.