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What is the functional unit of a skeletal muscle called?

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Skeletal muscles are one of three types of muscles found in your body. Answer and Explanation: Skeletal muscles fibers are composed of myofibrils, which are made up of actin and myosin filaments. These filaments are bundled into units called sarcomeres. The sarcomeres are considered the functional units of skeletal muscles, and are what give the striated appearance. read more

1). Bundle the muscle fibers together, increasing coordination of there activity. 2). Add strength to the muscle. 3). Provide a route for entry and exit of blood vessels and nerves to the muscle fibers. read more

The functional unit of a skeletal muscle is called a sarcomere. Hole's Anatomy 12th edition, pg 287 states: "Muscle fibers, and in a way muscles themselves, are basically collections of sarcomeres, discussed later in this chapter as the functional units of muscle contraction." sarcomere. read more

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