A REVIEW OF BOM MANG

知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。By attaching towards the reduce ribs, the costal Element of the diaphragm makes certain that the thoracic cavity can grow and contract successfully, facilitating usual respiratory. This segment’s part in respiration is important for preserving suf