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Metabolism (/ m ə ˈ t æ b ə l ɪ z ə m /, from Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical reactions in organisms.The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the conversion of food to building blocks of proteins, lipids, nucleic acids, and some carbohydrates; and the ...
Major metabolic pathways in metro-style map. Click any text (name of pathway or metabolites) to link to the corresponding article. Click any text (name of pathway or metabolites) to link to the corresponding article.
In biochemistry, a metabolic pathway is a linked series of chemical reactions occurring within a cell. The reactants , products, and intermediates of an enzymatic reaction are known as metabolites , which are modified by a sequence of chemical reactions catalyzed by enzymes .
A metabolic network is the complete set of metabolic and physical processes that determine the physiological and biochemical properties of a cell. As such, these networks comprise the chemical reactions of metabolism , the metabolic pathways , as well as the regulatory interactions that guide these reactions.
English: Naked female and male human body with labels. Français : Vue antérieure d'humains de sexes féminin et masculin. Plus d'informations sur l'image originale en anglais: File:Anterior view of human female and male, with labels.jpg .
The human body consists of biological systems, that consist of organs, that consist of tissues, that consist of cells and connective tissue. The history of anatomy has been characterized, over a long period of time, by a continually developing understanding of the functions of organs and structures in the body.