The musculoskeletal system is made up of bones, joints, and muscles. This system gives the body form and support, and protects the body while allowing it to move. Basically, the muscles in this system perform three important body functions: the movement of body parts, maintenance of body parts, and production of body heat. These muscles all consist of a mass of protein fibers grouped together, and most are of mesodermal origin. And almost all of …showed first 75 words of 864 total…

…showed last 75 words of 864 total…The last common side effect of steroids is aggression, also known as “roid rage”. Some users find this as a positive, it increases their motivation to life more and their intensity in their workouts. The negative side users find is that they are more hostile, which leads to fights and conflicts with family, friends, and co-workers. As stated before, the safest and most natural way to increase muscle size and strength is through regular exercise.