The structure of askeletal musclefiber is attached.What is the composition of a muscle fiber?Muscleis contractile tissue that is organized into coordinated systems for maximum efficiency. Muscle systems in humans are classified based on their gross appearance and cell location.They have a specialized endoplasmic reticulum which stores calcium ions and tubular myofibrils made up of two different myofilaments - thin filament (actin) and thickfilament.A skeletalmusclefiber is composed of a single cylindrical muscle cell. A single skeletal muscle can be composed of hundreds or even thousands of muscle fibers bundled together and wrapped in connectivetissue. The epimysium is a connective tissue sheath that surrounds each muscle.Learn more aboutmuscleon:brainly.com/question/13920046#SPJ1...

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