Across
- 3. a surrounding framework
- 5. not made up of or containing cells
- 7. a solution containing more of an ingredient that can be held in solution permanently
- 9. without definite shape or visible differentiation in structure
- 10. functions to protect the body against infection and disease
Down
- 1. calcified dental plaque
- 2. microorganism that can live and grow in the presence of free oxygen
- 4. crystalline mineral component of bones and teeth that contains calcium and phosphate
- 6. nucleus, point of origin
- 8. microorganism that lives and grows in (almost) complete absence of oxygen