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Across 3. towards the front 5. outer meninge of the brain and SC 6. lobe associated with sensory info, like taste 7. emotion, motivation, mood 9. connects the two cerebral hemispheres 11. grooves of the brain 12. connects cerebrum to cerebellum 13. group of nuclei in brainstem, sleep/wake cycle 16. motor neuron 21. regulates balance, posture, movement 22. attaches pituitary gland to brain 24. a neurotransmitter that carries nerve impulses across a synapse 26. top (roof) of midbrain 27. center of cerebrum 28. sensory neuron 29. large groove

Down 1. bottom (floor) of midbrain 2. clear, watery fluid that protects the brain and SC 4. separates frontal and parietal lobes 8. protects the brain from invasion of microorganisms 10. innermost meninge 14. automatic reflexes, breathing, heart rate, swallowing 15. four cavities in brain, filled with CSF 17. influences the onset of puberty 18. lobe associated with vision 19. controls thirst, hunger, sleep, hormones, temperature 20. composed of medulla, pons, and midbrain 23. lobe associated with reasoning, emotions, thought, voluntary movement 24. longest extension from a neuron 25. outer layer of cerebrum