2. The autonomic nervous system Sympathetic system: Parasympathetic system: s Noradrenaline Acetylcholine(Ach ●垂●0。垂 EFFECTS ACTION Cranial· :ACT|ON汁 EFFECTS nerves brain β(+) salivary. Pons VII medi la glands Salivary glands (+) Gut wall gut blood β2(-) vessels Gut sphincters β1/2(-) gut wal Gut secretions (+ α(+) sphincters Pancreas adrenaline Adrenal medulla Rectum (+defaecation (+)secretion 1818 2. The autonomic nervous system Sympathetic system: Noradrenaline Gut secretions (+) Spinal cord Pons/ medulla Mid brain Gut sphincters (-) Pancreas (+) ACTION Rectum (+)defaecation ACTION Gut wall (+) adrenaline EFFECTS EFFECTS Salivary glands (+) X IX VII Cranial nerves Parasympathetic system: Acetylcholine (Ach) (+) salivary glands  (+) gut blood 2 (-) vessels 1/2 (-) gut wall,  (+) sphincters (+) secretion Adrenal medulla