Human Physiology is the study of how the human body functions. It explores the physical and chemical processes that occur within cells, tissues, organs, and systems to maintain life. The course covers topics such as blood circulation, respiration, digestion, nervous system functions, hormonal control, and muscle activity. Human Physiology is essential for understanding how the body responds to internal and external changes, making it a key subject for students in medicine, nursing, biomedical sciences, and other health-related fields.