Across
- 1. tissue that transports food
- 4. of removal of metabolic wastes
- 5. pores on the leaf surface
- 7. structural and functional unit of life
- 9. connective tissue
- 11. protecting the brain
- 13. of nutrition in fungi
- 15. nutrition
- 17. substance inside the cell except nucleus
- 20. that pumps blood in the human body
- 21. of joint that allows movement in all directions
- 22. tissue
Down
- 2. responsible for movement
- 3. of similar cells performing a specific function
- 6. pigment present in red blood cells
- 7. joint
- 8. of release of energy from food
- 10. substance that speeds up cellular reactions
- 12. by which water vapour is lost from leaves
- 14. through which exchange of gases occurs in plants
- 16. by which green plants prepare food
- 18. of the cell that controls all activities
- 19. pigment essential for photosynthesis