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