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Metabolism Module 3 – Fueling Energy Systems

Module 2 explained how ATP is produced by the various energy pathways. The emphasis there was on which substrate, carbohydrate, fat, or protein, was being utilized as fuel. At rest, fats contribute over half of the total daily energy requirements for the body, while carbohydrates contribute over a third, and the rest are supplied by […]

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Module 1 – Overview of Cellular Metabolism

Metabolism refers to all the chemical processes that occur within an organism. Metabolism is what allows our bodies to break down food energy into the types of energy we need to think, repair and grow new tissues and to move our muscles. The principle that explains this big process is called The First Law of […]

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