Across
- 2. releases energy from food
- 4. tissue that collects light and makes food
- 5. another word for nerve cell
- 7. watery jelly inside the cell
- 9. site where photosynthesis take place
- 13. cells that form the outer cover of the plant
- 14. only plant cells have this
- 16. green pigment in the leaves
- 19. tough material which makes the cell wall
- 21. control centre of the cell
Down
- 1. biconcave disc shaped cell
- 3. ciliated epithelial cells are found here
- 6. tiny openings on the lower epidermis of a leaf
- 7. schleiden and Schwann put forward this
- 8. coined by Bichat
- 10. cells that prevent microorganisms and water from entering the body
- 11. basic unit of life
- 12. tissues join together to form this
- 15. hair cell plant cell which has no chloroplast
- 17. red pigment that carries oxygen
- 18. microscopic hair like extensions of the cytoplasm
- 20. large space filled with cell sap