Cause of Death: Secondhand Smoke Display | Healthcare Training ModelReveal the dangers of secondhand smoke with this startling display, which features a tumor infested lung bathed in oozing brown tar. Explanatory labels on the displays top and bottom reveal that the cause of death for this lung was secondhand smoke. A great way to share the message that secondhand smoke kills. Emphysema blebs bulge from its surface. Multiple tumors infest once healthy tissue. It sits in an oozing brown pool of tar. Certainly this is