Keywords

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Across
  1. 2. a disease that can be transferred to another individual
  2. 3. a condition of a living organism where its body or a body part has an impaired functioning
  3. 6. a microscopic living organism
  4. 7. microorganism that causes disease
Down
  1. 1. a disease that can not be transferred to another individual
  2. 4. the invasion and growth of germs in the body
  3. 5. the ability of an organism to resist a particular infection or toxin