Respiration and Gas Exchange
How the lungs workHow Breathing works
Oxygen Transport from Lungs to CellsSMOKINGS EFFECTS ON THE BODY
Normal lungs comapred with smokers lungs
Smokings effect on capillariesEffect of tar on the Lungs
sWhats in a cigarette?
?Smoking and StrokeSmoking and Cardiovascular DiseaseSmoke is a Poisonous CocktailAntismoking Cartoon