<prompt> The schematic diagram is depicting some features of autonomic and somatic nervous systems. The neurotransmitter at site F isAcetylcholineNorepinephrineDopamineEpinephrine  <response>: Acetylcholine ACh is the primary transmitter at ANS ganglia and at the somatic neuromuscular junction .Katzung Pharmacology 12th edition Pg: 80 