Homework crossword

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Across
  1. 4. Hard substance created by mineralized plaque on the surface of the tooth
  2. 7. without definite shape or visible differentiation in structure
  3. 8. Heterotrophic microorganism that lives and grows in complete absence of oxygen
  4. 9. Not made-up of or containing cells.
  5. 10. Heterotrophic microorganism that can live and grow in the presence of free oxygen
  6. 11. Nucleus, focus, point of origin
Down
  1. 1. Inhibitor of calcification that occurs in parotid saliva of humans in variable amounts; "tarter control"
  2. 2. A solution containing more of an ingredient that can be held in solution permanently
  3. 3. White blood corpuscle capable of amoeboid movement; function to protect the body against infection and disease
  4. 5. Crystalline mineral component of bones and teeth that contains calcium and phosphate
  5. 6. A surrounding framework; enabling development in a structure manner