Series of orthopaedic knowledge introduction - motor system
Last issue we learned about the components of our body. So we have already known that the human body can be divided into 10 parts from appearance, meanwhile, many organs can compose 9 systems respectively. On this issue, we would like to talk about the first system of our body, motor system. To be specific, the motor system consists of bone, bone attachment and skeletal muscle, which accounts for about 50 to 70 percent of an adult's body weight. And the motor system performs support, protection and motor functions. The small bones of the entire body are connected in different forms to form regional skeletons, support bodies, protect internal organs, maintain body posture, give the basic structures of the body, and provide broad attachment points for skeletal muscles. The bone is also an important hematopoietic organ. In the meantime, the bones are able to store calcium, phosphorus and other minerals in the body. Skeletal muscle is the power device of the m...