Throughout expiration, the diaphragm passively relaxes and returns to its original dome shape. This reduces the quantity from the thoracic cavity.Giai ?o?n two : Màng b?m bên ph?i t?o l?c hút ch?t l?ng ?i vào bu?ng ch?a bên ph?i thì màng b?m bên trái s? t?o l?c ??y ch?t l?ngIn addition to its position in respiration, the diaphragm also pe