biological

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Across
  1. 2. Ambiguity Issues with determining cause and effect
  2. 3. a specialised nerve cell
  3. 4. Juggling :)
  4. 6. hereditary and inherited characteristics
  5. 8. drugs that block the receptor site and limits the neurotransmitter
  6. 13. the body’s natural chemical messengers that transmit information from one neuron to another
  7. 14. secretes hormones into the body
Down
  1. 1. Mainly controls memory
  2. 5. Processes emotions
  3. 7. gives a three dimensional image of the brain structures
  4. 9. Getting rid of excess neurons and synapses
  5. 10. A neurotransmitter that has an effect on spatial memory
  6. 11. a chemical messenger that binds to the receptor sites of neurons and activates them to create a response
  7. 12. Measures changes in blood flow that occur with brain activity.