Puzzle one

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Across
  1. 3. heterotrophic microorganism that lives and grows in complete (or almost complete) absence of oxygen; some are obligate, others facultative
  2. 6. not made up of or containing cells
  3. 9. White Blood Cells
  4. 11. crystalline mineral component of bones and teeth that contains calcium and phosphate.
Down
  1. 1. heterotrophic microorganism that can live and grow in the presence of free oxygen; some are obligate, others facultative
  2. 2. Mineralized “hardened” dental biofilm
  3. 4. inhibitor of calcification that occurs in parotid saliva of humans in variable amounts; anticalculus component of “tartar-control” dentifrices.
  4. 5. a solution containing more of an ingredient that can be held in solution permanently.
  5. 7. nucleus, focus, point of origin.
  6. 8. without definite shape or visible differentiation in structure.
  7. 10. a surrounding framework, enabling development in a structured manner.