Across
- 2. needs oxygen to survive
- 3. hardened plaque
- 4. Nucleus
- 6. can survive without oxygen
- 8. the ooo-ey goo-ey that hardens to become a model for a specific structure
- 9. has no cells
- 10. found in the saliva; hardens
Down
- 1. more of a salute than a solvent can dissolve
- 5. white blood cells
- 6. minerals containing calcium and phosphate
- 7. has no specific shape