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