Test your knowledge about the structural differences between the somatic motor nervous system and the autonomic nervous system. 1. preganglionic axons are myelinated; postganglionic axons are unmyelinated. 2. uses only one neuron to reach target 3. requires two neurons to reach target 4. only one synapse between the neuron and the target 5. conscious and unconscious regulation of skeletal muscle 6. unconscious regulation of smooth muscles, cardiac muscles, and glands