Anatomy of lungs(சுவாச அமைப்பு தமிழில்)

https://www.youtube.com/watch?v=_lbsCYh80ck

This video explained about structure of lungs (Location of lungs, parts, borders ,blood supply , nerve supply, lymphatic drainage)
Pharynx : https://youtu.be/FFaWLFYD44w
Larynx : https://youtu.be/a_Sq3a9Tpz4
COPD : https://youtu.be/iHyy_5eC_Gc