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Across 1. carries sugar from the leaves 2. roots grow towards this 4. carries from roots to leaves 5. impulse from the eye travel to brain along this 6. keeping things the same in your body 7. plant shoots grow towards this 8. process in plants that continues at night 9. abbreviation for hormone controlling water balance 10. movement of water across a semi-permeable membrane 14. colour sensitive receptors in the eye 15. water moves from roots to leaves and then evaporates 16. leaves, stems and lungs are called - 19. pancreatic hormone given to treat diabetes 20. light sensitive layer in the eye 22. pancreatic hormone, raises blood glucose 23. in bright light this gets smaller 24. automatic, rapid nervous response

Down 1. 6CO2 + 6H2O = C6H12O6 + 6O2 2. polymer of glucose, found in the liver 3. plant cell walls are made of this 11. to be found`on the underside of leaves 12. layer on the top of a leave 13. movement of particles from regions of high to low concentration 17. polymer of glucose, energy storage molecule in plants 18. enzyme that breaks down starch 21. a group of cells with the same shape and job is called a -