This physiology course introduces basic concepts in the physiology of the human body. The course familiarizes students with basic definitions and principles related to physiology. It emphasizes the concept of internal environment and homeostasis and the concept of feedback in a biological system. It also helps students to understand body fluid and cellular physiology including membrane ionic basis of excitability, molecular mechanism, and mechanics of contraction. The course gives an overview of the physiology and functions of the nervous, cardiovascular, respiratory, digestive, renal, and endocrine systems. It prepares students to understand future disease processes and pathophysiology.