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basal metabolic rate (bmr)

basal metabolic rate (bmr) is the average daily amount of energy (calories) that is used by a body when it is at rest. heredity, height, body composition, and age determine a person's basal metabolic rate. it is also known as basal energy expenditure (bee).

the energy in a person's bmr is used to keep body temperature normal and to power the heartbeat, breathing, and other organ functions. your bmr uses up about two-thirds of your daily calories.

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