This PowerPoint discusses the basics of Cellular Respiration and is an excellent introductory presentation for a high school program. The presentation is divided into three sections: 1.) Cellular Respiration: An Overview, 2.) The Stages of Cellular Respiration, and 3.) Fermentation. Section 1, Cellular Respiration begins with the discussion of autotrophs/heterotrophs, calories, and aerobic respiration. Section 2, provides a detailed discussion of the specific stages of cellular respiration, including glycolysis, the citric acid cycle and the electron transport chain. Lastly, section 3, discusses the details of the lactic acid and alcohol fermentation. This PowerPoint can be used as an excellent review for any end-of-course assessment as well.