the upper surfaces of the left and right lungs shown with neighboring organs in the upper half of the thorax. - 環狀軟骨 幅插畫檔、美工圖案、卡通及圖標
left lateral view, angled to the front of the right lung and left bronchioles. - 環狀軟骨 幅插畫檔、美工圖案、卡通及圖標
illustration of human trachea and bronchus showing bronchial tubes and blood flow - 環狀軟骨 幅插畫檔、美工圖案、卡通及圖標
