Illnesses and the many ways to prevent them...

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Across
  1. 2. Organism that transmits pathogens.
  2. 5. Organisms that are complex but cannot make their own food.
  3. 6. Germs that cause diseases.
  4. 7. Simple one-celled organisms.
  5. 8. Any condition that interferes with the body's function.
Down
  1. 1. Mostly harmless complex one-celled organisms.
  2. 2. The smallest pathogens.
  3. 3. Cleanliness.
  4. 4. Able to spread to others.