What effect does activation of the parasympathetic nervous system have on the tone of most blood vessels?

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∻Answer∻ ⚹ The activation of the parasympathetic nervous system generally causes vasodilation in most blood vessels, leading to a decrease in blood vessel tone. ⚹ ∻Solution∻ ‖ a ⋮ Parasympathetic Nervous System: The parasympathetic nervous system is one of the two branches of the autonomic nervous system and is responsible for the 'rest and digest' responses in the body. ‖ ‖ b ⋮ Blood Vessel Tone: Blood vessel tone refers to the state of constriction or dilation of the blood vessels, which is controlled by the autonomic nervous system. ‖ ‖ c ⋮ Effect on Blood Vessels: Activation of the parasympathetic nervous system typically results in the release of acetylcholine, which can bind to muscarinic receptors on endothelial cells of blood vessels, leading to the production of nitric oxide (NO). NO causes relaxation of the smooth muscle cells in the vessel walls, resulting in vasodilation and a decrease in blood vessel tone. ‖ ∻Key Concept∻ ⚹ Parasympathetic activation and blood vessel tone ⚹ ∻Explanation∻ ⚹ Activation of the parasympathetic nervous system generally leads to vasodilation and decreased blood vessel tone due to the release of nitric oxide following acetylcholine binding to muscarinic receptors. ⚹◊How does activation of the parasympathetic nervous system affect the release of nitric oxide in blood vessels?⍭ Generate me a similar question◊

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