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  1. Metabolism: What It Is, How It Works & Disorders

    Nov 20, 2024 · Metabolism is how your body turns food and drink into energy to keep you alive and functioning. It’s made up of all the chemical processes happening in your body’s cells every second.

  2. Metabolism | Definition, Process, Reactions, Cells, & Facts | Britannica

    Jan 28, 2026 · Metabolism is the sum of chemical reactions that take place in living cells, providing energy for life processes and the synthesis of cellular material. Living organisms are unique in that …

  3. Metabolism: Definition, Types, How It's Regulated, What Impacts It

    Oct 21, 2025 · But what exactly is your metabolism, and is there anything you can do to change it? This article will define metabolism, its types, how it’s regulated, and the factors that impact it.

  4. The truth about metabolism - Harvard Health

    Jul 23, 2024 · In simple terms, metabolism is the internal process by which your body expends energy and burns calories. It runs 24/7 to keep your body moving, even when you're resting or sleeping, by …

  5. Metabolism - PMC

    Metabolism consists of a series of reactions that occur within cells of living organisms to sustain life. The process of metabolism involves many interconnected cellular pathways to ultimately provide cells …

  6. Metabolism - Wikipedia

    The three main functions of metabolism are the conversion of energy in food into a usable form for cellular processes; the conversion of food to building blocks of macromolecules (biopolymers) such …

  7. Metabolism: What It Does, What Affects It, and More - WebMD

    Mar 5, 2024 · Metabolism is a series of processes that control how your body creates and uses energy. It converts food and drinks into energy in your body, which you can use both when you're active and …

  8. Home - Metabolism Explained

    What does your metabolism do? Your metabolism is the process of turning food into energy, and it includes everything from breathing to circulating blood, growing and repairing cells, managing …

  9. What Is Metabolism and How Does It Actually Work?

    Jul 23, 2025 · Through metabolism, the body manages its energy resources, ensuring continuous function. This constant exchange of matter and energy is fundamental to all living organisms. …

  10. Overview of metabolism (article) | Khan Academy

    In fact, the food you eat is the source of the energy used by your cells! To make the idea of metabolism more concrete, let's look at two metabolic processes that are crucial to life on earth: those that build …