According to research, the energy consumed to climb a floor is about 0. 17 kcal/kg body weight. Suppose a person weighs 70 kilograms, then the energy consumed in climbing 30 floors is about 0. 17×70×30=357 calories. But the specific heat consumed by climbing stairs needs to be determined according to the weight of the human body and the speed of climbing stairs, not just a number.
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Calories, abbreviated as card and cal, are transliterated from English. It is defined as the heat required to raise 1 gram of water to 1 degree Celsius at 1 atmospheric pressure; Calorie is a kind of calorie unit, which is widely used in nutrition measurement and fitness manual. The international standard unit of energy is joule.
Calories are units of energy. We often associate calories with food, but in fact they apply to any substance that contains energy. Simply put, 1 calorie of energy or heat can raise the temperature of 1 gram of water by 1 degree Celsius at one atmospheric pressure. 1 calorie is about 4. 1859 joules.
As the legal unit of food calories, joules are widely used in Europe, while calories are used in the United States. Although Joule is the legal unit in China, calories are still widely used in Chinese mainland and Taiwan Province provinces due to tradition. Just as computers consume electricity and trucks consume oil, so do human daily activities.
Heat not only provides energy for people's exercise, daily work and life, but also provides energy for human life activities, blood circulation, breathing, digestion and absorption. People who lose weight can burn fat through exercise, which can accelerate calorie consumption and achieve the goal of healthy weight loss.
Generally speaking, adults need at least 65,438+0,500 to 2,000 calories a day to maintain their body functions, because even if you lie still, your body still needs energy to maintain body temperature, cardiopulmonary function and brain operation. Basal metabolic consumption varies with individual height, weight, age and gender. Human survival needs energy, which is obtained from food.