Across
- 2. - carry messages from central nervous system to the muscle cells
- 5. - a group of organs
- 6. - control centre of the cell
- 8. - organ for smell
- 10. - nerve endings that form contacts with the axons of other neurons
- 12. - a group of lots of different tissues
- 14. - something that evokes a reaction in the body
- 16. - organ for taste
- 17. - organ for sight
- 19. - carries electrical messages from cell body to the synapse
- 20. - link sensory and motor neurons
- 23. - detects stimulus or change in the normal functioning of the body
- 24. - causes the response once a stimuli is detected
- 25. - makes sure messages don't escape as they travel along the axon
- 26. - organ for hearing
- 28. - focuses the light on the retina
Down
- 1. - controls the amount of light that enters the eye through the pupil
- 3. - group of structurally and functionally similar cells
- 4. - fast, automatic response
- 7. - small gaps between neurons across which messages are passed
- 9. - organ for touch
- 11. - protects the eye and bends light onto the retina
- 13. - your body's reaction to a stimulus
- 15. - collect information
- 18. - nerve cell
- 21. - part of the central nervous system
- 22. - converts the light to electrical impulses
- 27. - the building blocks of living things