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