Explore pathology at the microscopic level and show students the effect disease has on cells. Set includes six slides of diseased tissue, three colorful overhead transparencies, and student worksheets. Students can see how alcohol damages liver cells and how smoking damages lung tissue. Also included are slides that show tuberculosis of the lung, goiter, bleeding of the kidney, and tissue infected with the bacteria that causes typhoid fever. Use these slides to compare against healthy tissue. An excellent addition to your microscope slide collection!