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  1. PHYSIOLOGY Definition & Meaning - Merriam-Webster

    The meaning of PHYSIOLOGY is a branch of biology that deals with the functions and activities of life or of living matter (such as organs, tissues, or cells) and of the physical and chemical …

  2. What Is Physiology? - WebMD

    Dec 7, 2023 · Physiology is the study of how the human body works. It describes the chemistry and physics behind basic body functions, from how molecules behave in cells to how systems …

  3. What Is Physiology | American Physiological Society

    Physiology is... Physiology is the study of how the human body works both when you’re healthy and when you’re not. When you’re sick or injured, normal physiology is disrupted. …

  4. Physiology - Wikipedia

    Human physiology is the study of how the human body's systems and functions work together to maintain a stable internal environment. It includes the study of the nervous, endocrine, …

  5. Physiology | Definition & Bodily Function | Britannica

    Dec 13, 2025 · physiology, study of the functioning of living organisms, animal or plant, and of the functioning of their constituent tissues or cells. The word physiology was first used by the …

  6. PHYSIOLOGY Definition & Meaning | Dictionary.com

    PHYSIOLOGY definition: the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes. See examples of …

  7. What is physiology? - The Physiological Society

    What is physiology? Physiology is the science of life. It is the branch of biology that aims to understand the mechanisms of living things, from the basis of cell function at the ionic and …