Across
- 2. formes long term memories
- 6. relay station
- 7. awareness of one's own thoughts
- 8. central part of neuron
- 10. pain hormone
- 11. processes emotions
- 15. fight or flight hormone
- 16. light sensitive inner layer of eye
- 18. sense of taste
Down
- 1. chemical messenger
- 3. sleep hormone
- 4. inhibitory neurotransmitters
- 5. minimum level of stimulation needed
- 9. junction between neurons
- 12. receives signals (part of neuron)
- 13. peaks and troughs in wave
- 14. sensory receptors in ear
- 17. photoreceptor cells in retina
