We have all tried to hold our breath to see how long we can last. Or we have asked ourselves, where does oxygen come from and how does it work? The way oxygen moves in our body is not simply inhaling and exhaling, but it is a rhythmic process. Let's listen to Master, Doctor Nguyen Huy Nhat, Respiratory Doctor, Vinmec Da Nang International General Hospital share about the complex journey of oxygen in the human body to better understand this issue!