Nervous system

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Across
  1. 3. A specialized cell that transmits electrical signals in the nervous system.
  2. 6. A type of neuron that connects sensory and motor neurons within the central nervous system.
  3. 7. The gap between two neurons where communication occurs through neurotransmitters.
  4. 9. A cell that forms the myelin sheath around neurons in the peripheral nervous system.
  5. 10. Fatty substance that insulates axons and speeds up nerve signal transmission.
Down
  1. 1. The minimum level of stimulus required to trigger an action potential in a neuron.
  2. 2. body: The part of a neuron that produces neurotransmitters and contains the nucleus; it also generates axons and dendrites.
  3. 4. Long, slender projection of a neuron that transmits electrical impulses away from the cell body.
  4. 5. Chemical messengers that transmit signals across the synapse from one neuron to another.
  5. 8. Branch-like structures of a neuron that receive electrical signals from other neurons.