Sympathetic and Parasympathetic?

Sympathetic nerves and parasympathetic nerves are part of the Autonomic Nervous system. They control body functions that are involuntary and are responsible for many responses that range from...

Ejaculation is sympathetic, while erection is parasympathetic ("Point and shoot" is a good way to remember it)

sypmathetic is the "fight or flight" response and the parasympathetic is the "rest and digest" responses

The sympathetic division as it can override the parasympathetic, but not vice versa

Autonomic nervous system