Smoker's vs. normal healthy lungs. to really comprehend the effect of tobacco smoke on the lungs we need to take a look at both the anatomy—how the appearance of the lungs changes, and the physiology—how the function of a smoker's lungs differ from those of healthy lungs. . "in healthy people without chronic lung disease, even at maximum exercise intensity, we only use 70 percent of the possible lung capacity. " function. Smoker's vs. normal healthy lungs. to really comprehend the effect of tobacco smoke on the lungs we need to take a look at both the anatomy—how the appearance of the lungs changes, and the physiology—how the function of a smoker's lungs differ from those of healthy lungs. . Smokers Lung Pictures Smokers Lungs Vs Healthy Lungs May 27, 2011 · healthy lung vs. diseased lung american lung association duration: 2:20. emily vogt 54,722 views. dua:20. what causes chronic obstructive pulmonary disease (copd)?. Interstitial lung disease (ild...