Across
- 3. The lens nearest to the specimen
- 4. The guard of a cell
- 7. Energy production
- 11. Collection of tissues
- 12. Control centre
- 14. Smallest structural units of living things
- 16. Multiple cells
- 18. Large knob
- 19. Thin glass sheet
- 21. Adapted to a special function
Down
- 1. One cell
- 2. Making new body cells
- 3. Group of organs
- 5. Performs functions to survive on its own
- 6. Gel-like fluid
- 8. Provides structure to the cell
- 9. Keeps objects pressed flat
- 10. Simple cell
- 13. Storage container
- 15. Layer of cells
- 17. What to put your eye nearest to, on a microscope
- 20. Small knob