[French dÃ©jÃ -vu : dÃ©jÃ , already (from Old French des ja, from now on, from des, from + ja, now + from Latin iam) + vu, seen (from Old French veu, from Vulgar Latin vidÅ«tus, alteration of vÄ«sus, past participle of vidÄre, to see; see weid- in Indo-European roots).]
Rating Newest Oldest. Best Answer: The muscles are made up of packages of stretchable fibre like material. Every fibre of the muscle is approximately forty millimeter in length and is made up of a number of very small strands which are known as fibrils. These fibres are extremely slender, so much so that one square centimeter of a muscle contains in it up to one million fibres.
Like all muscles, the muscles that produce movement are made upof individual cells called muscle fibers. These fibers contract and relax.Most of the muscles involved in moving the body work in pairs. Asthey contract, muscles shorten, pulling against bones. It may surpriseyou to know that muscles do not push.ike all muscles, the muscles that produce movement are made upof individual cells called muscle fibers. These fibers contract and relax.Most of the muscles involved in moving the body work in pairs. Asthey contract, muscles shorten, pulling against bones. It may surpriseyou to know that muscles do not push.