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