Autonomic Nervous System Synapse

The document discusses the autonomic nervous system, which is divided into the parasympathetic and sympathetic systems. It lists several key neurotransmitters involved, including acetylcholine and norepinephrine/epinephrine, and their corresponding receptor types, such as muscarinic, nicotinic, and various alpha and beta receptors. The autonomic nervous system works automatically to regulate organ function and other involuntary actions.