Drugs and your brain

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Across
  1. 3. controls your senses, hormones and body temperature
  2. 4. the gap between neurons
  3. 5. nerve cells that transmit messages in the brain
  4. 7. the most highly developed part of the brain
  5. 9. controls memory, thought and concentration'
  6. 11. neurotransmitter that binds receptors in the pleasure circuit
  7. 13. controls movement and helps with balance
Down
  1. 1. a 'feel good' brain chemical
  2. 2. connects the brain to the body
  3. 6. A fatty tissue that covers neurons
  4. 8. controls emotions like fear and anger
  5. 10. connects the brain and the spinal cord
  6. 12. an electro-chemical mechanism