Jordan McLellan BPN

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Across
  1. 2. ______ Sheath A fatty layer that covers the axon, increasing the speed of impulse transmission.
  2. 3. Action ________ An electrical signal that travels down the axon.
  3. 7. A chemical that increases the likelihood of the post-synaptic neuron firing.
  4. 10. A nerve cell that transmits electrical and chemical signals in the nervous system.
  5. 11. Branch-like structures that receive messages from other neurons.
  6. 13. The gap between two neurons where information is transmitted chemically.
  7. 14. A chemical messenger that carries signals across the synapse.
Down
  1. 1. A specific area on the post-synaptic neuron that binds with neurotransmitters.
  2. 4. A chemical that decreases the likelihood of the post-synaptic neuron firing.
  3. 5. Axon ________ The endpoint of a neuron where neurotransmitters are released.
  4. 6. Node of ________ Gaps in the myelin sheath that help speed up nerve impulses.
  5. 8. A long fiber that carries electrical impulses away from the neuron's cell body.
  6. 9. A small sac in the axon terminal that stores neurotransmitters.
  7. 12. The process by which neurotransmitters are absorbed back into the presynaptic neuron.