| A | B |
|---|
| action potential | membrane potential of and active neuron |
| axon | nerve cell process |
| central nervous system | brain and spinal cord |
| dendrite | nerve cell process that transmits electrical signals |
| glia | supporting cells of nervous tissue |
| membrane potential | difference in electrical charge between the inside and outside of a plasma membrane |
| myelin | white,fatty substances found in the myelin sheath |
| nerve | bundle of peripheral nerver fibers |
| peripheral nervous system | nerves connecting the brain and spinal cord |
| reflex arc | nerve pathway to and from the CNS |
| synapse | junction between adjacent neurons |
| CNS | central nervous system |
| PNS | peripheral nervous system |
| SNS | somatic nervous system |
| ANS | automatic nervous system |
