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