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Energy Expenditure

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Updated February 15, 2014

energy expenditure

Energy expenditure must be in balance with caloric intake to maintain body weight.

Image: NASA.gov

Definition: Energy expenditure refers to the amount of energy (calories), that a person uses to breathe, circulate blood, digest food, and be physically active. To prevent weight gain, energy intake (caloric intake) must be balanced with energy expenditure.

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