Sympathetic tone is continuous stimulation of smooth muscles in the walls of blood vessels, which results in partial constriction.

Name: Sympathetic tone is continuous stimulation of smooth muscles in the walls of blood vessels, which results in partial constriction.
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Quizplus · Accepted Answer

Sympathetic tone is a continuous low-level stimulation of smooth muscles in the walls of blood vessels, which results in partial constriction. This helps to maintain blood pressure and ensure adequate blood flow to vital organs.

Sympathetic Tone Is Continuous Stimulation of Smooth Muscles in the Walls