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The Muscular System

Across
Filaments of myofibrils, constructed of myosin or actin
Bands that contain thick and thin filaments
Muscle cells
Bands made of the protein myosin
Structural and functional units of a myofibril
Contractile fibers in muscle cells
Membranous network of channels and tubules of a muscle fiber
Muscle composed of syndical multinucleate cells with obvious striations, and is voluntary
Cord of dense fibrous tissue attaching a muscle to a bone
Bundle of muscle fibers bound together by connective tissue
Plasma membrane in muscle cells
A protein that with actin, forms the filaments that contract muscle fibers
Delicate connective tissue sheath that encloses muscle fibers
Extends across light band and partway into dark band
Down
Conscious control of movement
Thick and thin filaments linked together
Muscle that has stripes and is voluntary
Muscle consisting of spindle shaped, unstriped muscle cells, that is involuntary
Fibrous sheet of connecting a muscle and the part it moves
Specialized muscle of the heart
A protein that forms filaments that slide between filaments of myosin
A band on each side of the z line of striated muscle fibers that contain thin filaments
Sheath of fibrous connective tissue surrounding a muscle