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