Across
- 4. increase the surface area of roots
- 6. traps the sun's energy in a plant
- 9. cells with one kind of cell
- 11. gases leave a plant through these pores
Down
- 1. cells carrying oxygen from the lungs
- 2. help the body fight disease
- 3. unicellular organisms causing diseases
- 5. cells with a special job to do
- 7. cells which open and close stomata
- 8. the group of unicellular organisms
- 10. cells which carry messages from the brain