The average man burns roughly 1,700 calories per day for basal metabolism, the average woman roughly 1,325 calories. These are the calories the body burns for basic life-support processes, including breathing, digesting, thinking, circulating blood, replacing cells, and maintaining body temperature. These basal metabolic functions take place even if one is sitting perfectly still.
In addition, your body needs calories for physical activity. For instance, the typical per hour calorie expenditure rate beyond the basal metabolic rate is practically zero for watching TV, 300 for casual walking, 400 for leisurely cycling, 500 for unhurried swimming, and 600 for moderate-paced jogging. Children, in addition, need extra calories for growing. Calories you consume beyond the basal metabolic, physical activity, and growing requirements are converted to body fat.
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