Matching Pairs Sympathetic vs ParasympatheticOnline version Differences between by Andrew Sessions 1 Parasympathetic Nervous System 2 Parasympathetic Nervous System 3 Parasympathetic Nervous System 4 Sympathetic Nervous System 5 Sympathetic Nervous System 6 Sympathetic Nervous System 7 Sympathetic Nervous System 8 Parasympathetic Nervous System Decreases the heart rate Increases skin sweating Increases heart rate Constricts the pupils Dilates the pupils Controls our fight or flight response stimulates peristalsis and salivary production the rest and digest response