Your metabolism is the rate at which your personal ‘body engine’ operates as it performs all it’s bodily functions. See also How to Raise Metabolism
What Determines Overall Metabolic Rate
In simple terms, three factors contribute to your overall metabolic rate and thus the amount of energy (calories) you need to sustain your body weight.
Basal Metabolic Rate (BMR)
BMR is basically the number of calories you burn at rest, when sleeping or simply sitting in a chair. This accounts for about 60 percent of all energy (calories) used by the body.
Extra Physical Activity
This accounts for about 30 percent of all energy (calories) used by the body.
Dietary thermogenesis is the energy (calories) required to digest and process the food you eat. It accounts for about 10 percent of energy needs.
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