ANS

Actions of Parasympathetic Nerves

Actions of Sympathetic Nerves

Constrict pupils

Dilates pupils

Stimulate saliva

Inhibit salivation

Slow heartbeat/Dilate blood vessels

Increase heartbeat/Constricts blood vessels

Constrict airways

Relax airways

Stimulate activity of stomach

Inhibit activity of stomach

Inhibit release of glucose; stimulate gallbladder

Stimulate release of glucose; inhibit gallbladder

Stimulate activity of intestines

Inhibit activity of intestines

Contract bladder

Relax bladder

Secrete Acetylcholine

Secrete epinephrine and norepinephrine