Labels:bar | bed | cell | fence | plant | sandwich | seat | sky | stage OCR: MUSCLE FIBRES YOUR MUSCLE CELLS or muscle contracts, these filaments slide fibres are composed of bundles over each other and the muscle of smaller fibrils. Each fibril is shortens. The striped appearance made up of even sma aller strands of muscle is caused the called filaments. When am uscle overlapping areas of filaments. Muscle fibre Fibrils filam ents
