Top Guidelines Of bom mà ng
Exhalation takes place once the diaphragm relaxes, returning to its dome condition and pushing air out from the lungs. This rhythmic contraction and rest are important for maintaining regular breathing and making certain ample oxygen provide to the body.Tiếp theo, kiểm tra định kỳ hệ thống van của bÆ¡m cÅ©ng là cần thiết. Van cÃ