How high altitude affects your body

If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely suffocate in minutes. However, for people that make this journey over the course of a month, it's possible to survive at the peak for hours. So what happens in our bodies that allows us to endure this incredible altitude? Andrew Lovering investigates. [Directed by Vitalii Nebelskyi, and action creative agency, narrated by Addison Anderson, music by Salil Bhayani, cAMP Studio].