跑步哥英语描述他跑步的故事英语[繁体：語]作文？

描述他跑步的故事英语作文？Running is a whole body movement， which enables the body#30"s muscles rhythmic contraction and relaxation

描述他跑步的故事英语作文？

Running is a whole body movement， which enables the body#30"s muscles rhythmic contraction and relaxation， so that muscle fiber

　　Dimension increased， protein content increased. Fit and muscular is one of the symbols.

　　In a period of growth and development of young people， adhere to running

　　Step can improve blood circulation， increase the supply of nutrients in bone cells increase bone cell growth capacity， from the

　　Persist in running can enhance metabolism， delayed bone