I believe it's Preganglionic Neurons
because in parasympathetic the pre-ganglionic neurons begin in the brain stem, and secretes Aceytolcholine as a neurotransmitter. ;)
I'm taking A&P2 this spring so I know haha
Explanation:
This picture illustrate what type of selection 2 directional
Increases is the answer to all of them! I hope this helped and have a great day