Use diffuse synapses in the Sympathetic arm of the ANS and discrete synapses in the Parasympathetic arm

Use ACh in both arms of the ANS, acting on nicotinic ACh receptors only

Use ACh in both arms of the ANS, acting on nicotinic or muscarinic ACh receptors

Use ACh in the Sympathetic arm of the ANS and NA in the Parsympathetic arm

Use diffuse synapses in both arms of the ANS