crossword puzzle

123456789
Across
  1. 2. a 5 letter word starting with D and ending in S
  2. 3. to change form
  3. 5. organisms studied by a mycologist
  4. 6. illness of sickness in general
  5. 7. causes of germs
  6. 9. A treatment that can help your body be immune to a disease
Down
  1. 1. A important part of people’s diets
  2. 4. a way of living that is transmitted from one generation to another
  3. 6. scientific discovery of 1869
  4. 8. system It helps the body fight off sickness