Respuesta :

They contain mitochondria ( lots of them ) Golgi apparatus, ER , S E R and other organelles, unlike other cells , muscle fibres are the function units of the tissue. A typical fibre is multinucleated , strained (stripped) and surrounded by cell membrane called sarcolemma and cytoplasm called sarcoplasm

Hope this helps
c. energy, because mitochondria is specialized cell organelle for cellular respiration and it gives out ATP in the process