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Metabolism: Chemical and physical processes in the body

What is Metabolism?

Metabolism is the sum of chemical and physical processes that take place within a living organism.


Metabolism is divided into catabolism (breakdown of a substance for energy) and anabolism (the body's ability to transform one substance into another for development and repair).

From unicellular organisms (formed by a single cell) to multicellular organisms (formed by several cells) metabolic functions occur.

Metabolic functions in the body

A good example of metabolic function is the process of cellular respiration that occurs in aerobic organisms, where mitochondria break down glucose by introducing oxygen into the carbon, thereby removing its energy.