Physiology of the Senses is a collection of 12 interactive tutorials on the senses and how the brain processes information. The first four tutorials are related to the visual sense, the next two are about how the brain processes input, and the seventh tutorial is about touch. Tutorial 8 is about muscle sense and the next two are about hearing and balance. The Hearing Tutorial has audio. Tutorial 11 is about eye movements, and the last tutorial is about memory. Each tutorial has an animated Flash session, a PDF version, sets of problems and answers, and links to related web sites. The site includes instructions, an index page, and links to download Flash Plug-in and Adobe Acrobat Reader. It was developed for undergraduate honors students and graduate students by Tutis Vilis, Department of Physiology, University of Western Ontario London, London, Ontario.