For our project we chose to focus on emphysema. As active emergency medical technicians on an ambulance crew, COPD and emphysema are extremely common complaints that we see in the field. Emphysema is a form of chronic obstructive pulmonary disease (COPD) and it is distinguished by an abnormal increase in the size of air spaces distal to the terminal bronchiole, accompanied by deterioration of the alveolar walls. Our models demonstrate cross-sectional lung tissue. The healthy lung is shown by compact and more uniform alveoli. The emphysema lung tissue shows more damaged alveoli which consequently have much larger openings. It shows that over time, the walls of the alveoli have weakened, ruptured or collapsed. The cross sections are shown by styrofoam and rice crispy models. To highlight the good versus damaged alveoli, we have hand-drawn the alveolar sacs.