SURE.....http://www.google.com/imgres?imgurl=http://1.bp.blogspot.com/-J7dxflFPFZk/TzUTy9RcvII/AAAAAAAACJg/rLxXCfoXn94/s1600/smoker%2Blungs.png&imgrefurl=http://humansarefree.com/2012/02/smoking-kills-amazing-experiment-and.html&h=479&w=1000&sz=73&tbnid=PgHltpezOih3LM:&tbnh=58&tbnw=122&prev=/search%3Fq%3Dlungs%2Bof%2Ba%2Bsmoker%2Band%2Bnonsmoker%26tbm%3Disch%26tbo%3Du&zoom=1&q=lungs+of+a+smoker+and+nonsmoker&usg=__ow-A5V_Irx41AgUDIkes6nmbgH0=&docid=uVI-jQMpOq2_WM&sa=X&ei=dys-Uau8J4LzyAGO2IH4DA&ved=0CDIQ9QEwAA&dur=873