Always has preganglionic neurons to skeletal muscle and postganglionic neurons to all internal organs

Has preganglionic neurons to smooth muscle and postganglionic neurons to other target tissues

Sometimes has preganglionic neurons to skeletal muscle and postganglionic neurons to all internal organs

Always has preganglionic neurons and postganglionic neurons from CNS to all target tissues

Always has preganglionic neurons to the CNS and postganglionic neurons to the internal organs