Relier Pairs Skeletal Muscle AnatomyVersion en ligne Different parts of the skeletal muscle. par Lily Coutu 1 skeletal muscle fibers and cells are surrounded by a membrane called... 2 sarcolemma contains... 3 myofibrils contain bundles of... 4 fascia covers the ... 5 epimysium covers the ... 6 myofilaments come in two different types 7 the sarcoplasmic reticulum plays an active role in... 8 a sarcomere is a contractile unit of... 9 sarcomeres are made up of... 10 the whole muscle contains ... multiple nuclei, myofibrils and sarcoplasmic reticulum myofilaments fascicles that are wrapped in perimysium muscle fiber filaments sarcolemma myofilaments storing and releasing Ca2+ epimysium whole muscle thick/dark (myosin/A band) and thin/light (actin/I band)