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Respiration is the process by which living organisms release energy from glucose. It occurs in every living cell, all the time. Aerobic respiration is the type that uses oxygen and is the most efficient way of releasing energy from glucose. This lesson covers the equation, location, purpose and importance of aerobic respiration for AQA GCSE Biology.
Respiration is a chemical reaction that takes place in every living cell to release energy from glucose. It is NOT breathing — breathing (ventilation) is the mechanical process of moving air in and out of the lungs. Respiration is a cellular process.
Respiration is an exothermic reaction — it transfers energy to the environment. This energy is used by the organism for all life processes.
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