This Powerpoint was created for HS/8th grade Health class. This Disease Unit PPT covers: the difference between infectious/noninfectious diseases, the chain of infection for infectious disease, invasion/incubation/infection, endemic/epidemic/pandemic, bacteria/virus/fungi, immunity to diseases, body barriers to defend disease, methods of disease transmission, preventive measures of disease, heart disease (23 slides)-factors effecting heart disease, heart arrhythmia, pacemakers, heart attacks, by