parasympathetic tone

What Are The Main Effects Of Parasympathetic Stimulation?

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What Are The Main Effects Of Parasympathetic Stimulation? It slows the heart, constricts the coronary blood vessels and bronchial muscles and stimulates the secretion of the gastric glands and the peristaltic contraction of the gut and the gall bladder. What does parasympathetic stimulation cause? In the stomach and intestines, parasympathetic stimulation of M receptors leads

What Hormones Are Released By The Parasympathetic Nervous System?

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What Hormones Are Released By The Parasympathetic Nervous System? The sympathetic nervous system (SNS) releases the hormones (catecholamines – epinephrine and norepinephrine) to accelerate the heart rate. The parasympathetic nervous system (PNS) releases the hormone acetylcholine to slow the heart rate. What chemicals does the parasympathetic nervous system release? The main neurotransmitter present in the