A. japonicus possesses huge skin folds on its neck that proficiently improve its Total physique area place. This assists in epidermal gas exchanges, which in turn regulates carbon dioxide and oxygen Trade Together with the water.U?ng tr??c ho?c sau khi u?ng r??u ??u ???c. Khi c?n thi?t ph?i u?ng nhi?u r??u có th? dùng one l?n tr??c và 1 l?n sau