10FPS - Nervous System revision

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Across
  1. 7. This liquid helps to cushion the brain.
  2. 9. These connect motor and sensory neurons.
  3. 10. This nervous system controls involuntary responses.
  4. 12. 'Fight or flight' responses are controlled by this division of the nervous system.
  5. 13. The type of signals transmitted by neurons.
  6. 17. The body's natural chemical transmitters.
  7. 18. The brain and spinal cord make up this part of the nervous system.
Down
  1. 1. This branch of the nervous system controls motor and sensory neurons.
  2. 2. The name of the junction between two nerve cells.
  3. 3. The fundamental units of the brain and nervous system.
  4. 4. These detect incoming messages from neighbouring neurons.
  5. 5. Electrical messages are converted into these type of messages at axon terminals.
  6. 6. This type of neurons carry messages from the CNS to muscles, glands and organs.
  7. 8. Do neurons ever touch?
  8. 11. The insulating layer surrounding axons.
  9. 14. The tube that extends from the neuron's cell body to the end of the neuron.
  10. 15. The main function of the autonomic nervous system is to maintain ________.
  11. 16. An involuntary response to a stimulus.