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Jul 17, 2023 · 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. It is found throughout arteries and veins where it plays a vital role in the regulation of blood ...
Figure 10.25 Motor Units A series of axon-like swelling, called varicosities or “boutons,” from autonomic neurons form motor units through the smooth muscle. Smooth muscle is organized in two ways: as single-unit smooth muscle, which is much more common; and as multiunit smooth muscle. The two types have different locations in the body and ...
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Oct 30, 2023 · Smooth muscle is a type of tissue found in the walls of hollow organs, such as the intestines, uterus and stomach . You can also find smooth muscle in the walls of passageways, including arteries and veins of the cardiovascular system. This type of involuntary non-striated muscle is also found in the tracts of the urinary, respiratory and ...
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This type of smooth muscle is observed in the large airways to the lungs, in the large arteries, the arrector pili muscles associated with hair follicles, and the internal eye muscles which regulate light entry and lens shape. Figure 10.7.1 – Smooth Muscle Tissue: Smooth muscle tissue is found around organs in the digestive, respiratory ...
- Lindsay M. Biga, Sierra Dawson, Amy Harwell, Robin Hopkins, Joel Kaufmann, Mike LeMaster, Philip Mat...
- 2019
Jul 30, 2022 · The smooth muscle around these organs also can maintain a muscle tone when the organ empties and shrinks, a feature that prevents “flabbiness” in the empty organ. In general, visceral smooth muscle produces slow, steady contractions that allow substances, such as food in the digestive tract, to move through the body.
May 13, 2022 · Smooth muscle is also present in the eyes, where it functions to change the size of the iris and alter the shape of the lens; and in the skin where it causes hair to stand erect in response to cold temperature or fear. Figure 10.8.1 10.8. 1: Smooth Muscle Tissue. Smooth muscle tissue is found around organs in the digestive, respiratory ...
