Nat Geo Science | Lungs 101
The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration possible, and how they are vulnerable to illnesses.
2019-06-16 19:00:00 - National Geographic
The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration possible, and how they are vulnerable to illnesses.
2019-06-16 19:00:00 - National Geographic