BMR (Basal Metabolic Rate) is the amount of energy spent by the body for basic metabolic functions. If you did nothing all day but lie in bed, this is how many calories you would burn. Your heart, digestion, kidney functions and everything else a body does consumes calories. These basic function make up about 60-70% of the calories you expend.
BMR important because it is the largest factor determining your general metabolic rate. Calculating your BMR value enables you to count your total daily energy requirement and tells you how many calories you need to maintain, gain or lose weight. There are several BMR Calculators available on the web.
BMR is determined by genetic and environmental factors, such as:
* genes - they control the speed of metabolism
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