Orbis Crossword One

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Across
  1. 2. Made of chitin instead of cellulose of a plant wall cell.
  2. 4. passive immunity
  3. 8. Disorder in the function of a human
Down
  1. 1. Resistance to a disease
  2. 3. single-celled micro-organism , whose DNA is not enclosed in a nucleus.
  3. 5. Created by white blood cells
  4. 6. Infested by a disease
  5. 7. Special protein on the surface of a cell such as a pathogen.