MICROANATOMY

Detailed explanation-1: -Throughout most of the gastrointestinal tract, smooth muscles are organized into two layers of circularly or longitudinally oriented muscle bundles. Smooth muscle cells form electrical and mechanical junctions between cells that facilitate coordination of contractions.

Detailed explanation-2: -Smooth muscle is found throughout the body where it serves a variety of functions. It is in the stomach and intestines where it helps with digestion and nutrient collection. It is found throughout the urinary system where it functions to help rid the body of toxins and works in electrolyte balance.

Detailed explanation-3: -Two layers of smooth muscle form the small intestine. The outermost layer is the thin, longitudinal muscle that contracts, relaxes, shortens, and lengthens the gut allowing food to move in one direction. The innermost layer is a thicker, circular muscle.

Detailed explanation-4: -The wall of the small intestine contains two orthogonal layers of smooth muscle .

Detailed explanation-5: -Gastrointestinal tract. Cardiovascular: Blood vessel and lymphatic vessels. Renal: Urinary bladder. Genital: Male and female reproductive tracts. Respiratory tract. Integument: erector pili of the skin. Sensory: Ciliary muscle and iris of the eye.