How does breathing occur? Why do we sometimes lack air and what does the little Little Mermaid have to do with this? How do our emotions affect breathing? Why do we cough but not feel airway pain? Can a new lung grow? As the largest organ of our body, it protects against microbes and harmful substances. And most importantly: what can we do to keep this wonderful organ working all our lives? All this is fascinating and exciting narrated by lung specialist Kai-Michael Be. For a wide range of readers.