Cells

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Across
  1. 1. a substance with particular chemical properties including turning litmus red
  2. 5. a medical condition in which the bones become brittle and fragile from loss of tissue.
  3. 7. make (something) by synthesis, especially chemically.
  4. 9. a large multinucleate bone cell which absorbs bone tissue during growth and healing.
  5. 10. the chemical element of atomic number 20, a soft grey metal.
  6. 11. substance produced by a living organism
Down
  1. 2. the smallest structural and functional unit of an organism
  2. 3. of which animals or plants are made
  3. 4. relating to or derived from living matter.
  4. 6. hard whitish tissue making up the skeleton
  5. 7. an arrangement of things.
  6. 8. plural form of nucleus.