Calculus

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Across
  1. 3. lives and grows in complete/almost complete absence of oxygen
  2. 5. functions to protect the body against infection and diseases
  3. 6. enabling development in a structured manner
  4. 9. a solution containing more of an ingredient
  5. 10. inhibitor of calcification that occurs in parotid saliva of humans in variable amounts
Down
  1. 1. visible differentiation in structure
  2. 2. can live and grow in the presence of free oxygen
  3. 4. tenacious film formed of proteins
  4. 7. crystalline mineral component of bones and teeth
  5. 8. nucleus, focus, point of origin