Examining its structure reveals how it supports different physiological processes, specially respiration.? ?? ??: ???? - ????? - ???? - ??? ?? ? ??- ??? ??? ?? ?? - ??? ?? ?? - ??? ???? - ??? ?? ?? - ????? ??? ??? ?????.+ C?ng b?m ???c trang b? v?i ?ng b?m linh ho?t, cho phép xoay chuy?n theo nhi?u h??ng khác nhau ?? th?c Hello?n công vi?c hút