Biology: Coordination

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Across
  1. 2. Also known as nerve cells
  2. 3. Sheat of lipids that protect the axon
  3. 4. Cells that produced myelin over the axon
  4. 5. Neurons that transmit impulses from receptors to the CNS
  5. 10. Is made up of the brain and spinal cord
  6. 13. Neurons that transmit impulses from the CNS to effectors
  7. 15. The synapses that use acetylcholine as the transmitter substance
  8. 16. Gap between neurons
  9. 17. Pathaway that follows an impulse from the receptor to the effector
Down
  1. 1. Is made uo of cranial and spinal nerves
  2. 6. Short branches that motor neurons use to communicate to nearby neurons
  3. 7. Brief changes in the distribution of electrical charge across the cell membrane of neurons
  4. 8. Is made up CNS and PNS systems
  5. 9. Neurons that transmit impulses from sensory neurones to motor neurons
  6. 11. Substance that is released by the presynaptic neuron ot stimulate the postsynaptic one
  7. 12. Long tail that motor neurons use to conducts impulses over long distances
  8. 14. Communication between neurons