lungs 3) TED-ED LESSON Ted ED - How do the lungs work? How do the lungs work? http://ed.ted.com/lessons/what-do-the-lungs-do-emma-bryce how the body uses a complex system to transport oxygen how the body uses a complex system to transport oxygen Now let's Answer some Questions Wie funktionieren die Lungen? How do the lungs work? http://ed.ted.com/lessons/what-do-the-lungs-do-emma-bryce lungs TedEd video