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What is the function of the sympathetic division
Fight or flight" response (e.g., increases heart rate, dilates pupils).
What is the function of the parasympathetic division?
"Rest and digest" response (e.g., decreases heart rate, increases digestion).
What neurotransmitter is released by all preganglionic fibers in both the sympathetic and parasympathetic divisions?
Acetylcholine (ACh).
What are the two main neurotransmitters released by postganglionic sympathetic fibers?
Norepinephrine and Epinephrine.
Where are the ganglia for the sympathetic division typically located?
Close to the spinal cord (sympathetic chain ganglia) or in the abdomen (collateral ganglia)
Where are the ganglia for the parasympathetic division typically located?
Close to or within the target organs.