The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the

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.

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,