Ap Psych words

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Across
  1. 2. Twins from two eggs, share about 50% of DNA.
  2. 5. Focuses light onto retina.
  3. 7. Support, protect, and feed neurons.
  4. 8. Organ that controls thoughts, emotions, and body functions.
  5. 10. Hormone that regulates sleep.
  6. 11. Affects movement, pleasure, reward, and attention.
  7. 13. Long fiber that sends messages away from the cell body.
  8. 14. Traits and abilities passed down through genes.
  9. 16. nd of axon releases neurotransmitters.
  10. 18. Branches that receive incoming messages.
Down
  1. 1. carries signals from CNS to muscles.
  2. 3. Hormone that decreases hunger.
  3. 4. Nerve cell that sends and receives signals.
  4. 6. Pathway for signals between brain and body.
  5. 9. Twins from one egg, share 100% of DNA.
  6. 12. Natural painkillers that boost pleasure.
  7. 15. Hormone that increases hunger.
  8. 17. Minimum stimulation needed for firing.