The muscular system is a set of muscles that can be voluntarily controlled by a living organism (skeletal muscles) and its main function is to achieve mobility, which takes place when electrical stimuli from the nervous system cause the muscle fibers to contract. The musculoskeletal system includes bones, muscles, tendons, ligaments and soft tissues which work together to support the weight of your body and help you move. The skeletal musculature as a whole corresponds to approximately 40% of the weight of an adult.
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