Physiology is the scientific study of how living organisms, cells, and biomolecules perform chemical and physical functions. It's a subdiscipline of biology fundamental to medicine and related health sciences. Physiology courses can explore how organisms, tissues, cells, and molecules function in health and disease. They can also cover topics such as: How information is sent between cells through chemical or electrical signals How body systems integrate to control functions like nutrition, movement, respiration, and reproduction Electrophysiological techniques used to study electrically excitable tissues like nerves and muscles Understanding physiological principles can help identify potential therapeutic targets for treating diseases. It can also help develop more effective treatments for abnormal or disease states