THE SINGLE BEST STRATEGY TO USE FOR CấU TạO BơM MàNG

The sternal part lowers the costal cartilages, facilitating inhalation by expanding the chest cavity.Because the septum transversum descends inferiorly, the phrenic nerve follows, accounting for its circuitous route from the upper cervical vertebrae, around the pericardium, finally to innervate the diaphragm.The diaphragm also influences blood circ