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Report Abuse. Smooth muscle tissue is a tissue type. This type is usually found in the walls of the hollow viscera. Found in distending and contractile organs such as the bladder and the stomach.This tissue is involuntary.sterlingtears Â· 8 years ago. Thumbs up. 0. Thumbs down.est Answer: Smooth muscle tissue is located in the walls of organs, the bladder, abdominal cavity, uterus, gastrointestinal tract, respiratory tract, vasculature, skin, ciliary muscle, and the iris of the eye. Its purpose is to keep organ structure against other forces. It is elastic and easily stretched.
Peristalsis is a distinctive pattern of smooth muscle contractions that propels foodstuffs distally through the esophagus and intestines. One group of interneurons activates excitatory motor neurons above the bolus-these neurons, which contain acetylcholine and substance P, stimulate contraction of smooth muscle above the bolus. 2  Another group of interneurons activates inhibitory motor neurons that stimulate relaxation of smooth muscle below the bolus.