Wing Chun Sergeant, says the respiratory Control Center for labor and environmental environment, the TP.HCM Health, which tells us the respiratory process is to put oxygen into the lungs, oxygen in the lungs, oxygen in the blood, in the blood and lobogium,<br>Smooth and carbon monoxide or SO2, NO2 would block hemoglobin to combine oxygen from oxygen cells. This is the root that triggers the eye, the nose, the throat, the lungs, the cough, the sneeze... And the respiratory disease.<br>
đang được dịch, vui lòng đợi..
