今日专家影片：伦敦帝国理工学院环境流行病学家安娜·汉塞尔博士介绍肺部适应海拔变化的方式。

This video explores how your lungs and body adapt to high altitudes, from immediate responses like faster breathing and increased heart rate to longer-term changes such as blood chemistry adjustments and red blood cell production. Understanding these adaptations reveals why mountaineers and athletes can perform better after acclimatising to higher elevations.