Final answer:
The autonomic nervous system consists of sensory and motor nerves that run between the CNS and internal organs and glands. It has two subdivisions: the sympathetic division and the parasympathetic division.
Step-by-step explanation:
The autonomic nervous system consists of sensory and motor nerves that run between the CNS and internal organs and glands. It has two subdivisions: the sympathetic division and the parasympathetic division, which are antagonistic to each other.
The sympathetic system activates the "fight or flight" response, while the parasympathetic system activates the "rest and digest" response.
Each autonomic nerve pathway generally consists of two nerve paths: the preganglionic neuron from the CNS synapsing with the postganglionic neuron of the PNS, which then acts on a target organ.