This simple sentence comprised Section 1 of the Equal Rights Amendment (ERA), which was first proposed in Congress by the National Women's Party in 1923.
Muscle fibers are in turn composed of myofibrils. The myofibrils are composed of actin and myosin filaments, repeated in units called sarcomeres, which are the basic functional units of the muscle fiber.
Composed of orderly arrangement of connective tissue and contractile cells. Entire muscle is surrounded by connective tissue wrapping, Epimysium. Skeletal Muscle is made of Fasicles, which are bundles of individual muscle cells, which are each surrounded by a connective tissue layer called Perimysium. Internal Structure of Skeletal Muscle. A bundle of muscle cells (fibers) bound together by connective tissue to form a functional unit.