The calories burned by the body every day are called the total energy consumption of the body, and the following three factors constitute the total energy consumption of the body:
Basic metabolic needs Even when the body is at rest, it needs energy to maintain some basic needs of the body, such as providing energy for organs, maintaining respiratory and blood circulation functions, regulating hormone levels, and promoting cell growth and repair. The heat required to maintain these functions is the basic metabolic rate of the body. In fact, a person's basal metabolic rate is the most important part of energy consumption, accounting for 2/3 or 3/4 of the total daily calorie intake. The energy required by the body to maintain these basic functions is quite constant and will not change easily.
Food Digestion When you ingest food, the subsequent digestion, absorption, transportation, storage and other processes also require energy, accounting for about 65,438+00% of the daily calorie requirement of 6 kilograms. Generally speaking, the energy required by the body to process food is relatively fixed and will not change easily.
Physical activity Physical activity refers to a series of physical activities, such as walking to the store, doing housework and going out for a walk. And the residual value of the total calories consumed by the body every day is occupied by these activities.
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If you want to get fat, you need to create an energy deficit, that is to say, reduce food intake and increase calories through physical exercise. Only in this way can we lose weight.
Everyone's energy demand is different, which is related to the size of figure, physical strength, age and gender. For Werther's normal functional activities, tall people need more calories (energy) than thin people, and muscles burn more calories than fat. Therefore, the more muscles a person has, the higher his basal metabolic rate.
With the continuous growth of age, the amount of muscle decreases, while the amount of fat increases accordingly. At the same time, with the increase of age, the metabolic rate of the body naturally decreases, and these changes reduce the body's demand for calories.
Generally speaking, men have more muscles than women, but less fat, which is the main reason why men have higher basal metabolism and burn more calories than women.