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Parasympathetic Digestive System Increased activity, relaxes anal sphincter muscles Lungs Constricts Bronchioles Heart Decreases rate; steady Eye Constricts pupils Bladder Relaxes sphincters (allows voiding). Sympathetic Digestive System Decreases activity, constricts muscles Lungs
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Parasympathetic Digestive System Increased activity, relaxes anal sphincter muscles Lungs Constricts Bronchioles Heart Decreases rate; steady Eye Constricts pupils Bladder Relaxes sphincters (allows voiding) Sympathetic Digestive System Decreases activity, constricts muscles Lungs Dilates bronchioles Heart Increases rate & force\blood vessels constrict Eye Dilates pupils Bladder Constricts sphincters Effects of Sympathetic and Parasympathetic