Our lungs are capable of incredible feats as they are vital body parts. The average adult can take in as much as 6 litres of air and breathe a total of 11,000 litres every day. Besides being able to inflate and deflate like balloons, the internal surface of the lungs can stretch up to 100 square meters when fully expanded. The lungs absorb oxygen from the air we breathe so that our body could make use of it. Without oxygen, we couldn’t possibly survive!
It’s quite unfortunate that our lungs are so easily abused. Smokers expose their lungs to tar and thousands of toxic chemicals with their bad habit. Even people who don’t smoke unknowingly inhale poisonous fumes, radioactive gases, and other pollutants.
