Question

Note on stirated muscle fibers.

Answer 1

striated muscle fibers are attached to the bones and are voluntry.

Answer 2

A skeletal muscle fiber is surrounded by a plasma membrane called the sarcolemma, which contains sarcoplasm, the cytoplasm of muscle cells. A muscle fiber is composed of many fibrils, which give the cell its striated appearance

The 3 types of skeletal muscle fibres are: Red / Slow (Type I fibres, 'slow twitch fibres') Red / Fast (Type IIa fibres, 'fast oxidative fibres') White / Fast (Type IIb fibres, 'fast glycolytic fibres')