Two ANS Divisions
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 |