Calories
Calories express the unit of food energy, and it refers to the energy that people get from the food and drink they eat, and used in physical activity, and basic functions in the body, such as: breathing, thinking, walking, talking, eating, and eating. It is defined as the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius, and when eating an amount greater than the required amount, it is stored in the form of fat in the body.
Calorie intake
There is an average number of calories that must be consumed during the day for each individual, and this amount depends on many factors, such as: age, current weight, height, activity level, metabolic health, and many other things, and this average value is 2000 calories per day For the average woman to maintain her weight, 1500 calories to lose 0.45 kilograms of weight within one week, 2500 calories for the average man to maintain his weight, and 2000 calories to lose 0.45 kilograms of weight within one week, and the amount of calories is determined by the type and quantity of food eaten. For people who follow a diet to lose weight, the amount of calories in food determines the type of food they should eat.
burn calories
Brain metabolism uses about 20% of the energy gained, and the remaining amount of energy is used in all functions of the body, even at rest, such as: blood circulation, digestion, and breathing; Where the body needs the mechanical energy of the skeletal muscles, to maintain the process of movement, posture, and in the process of cellular respiration through which the cells obtain energy, through the interaction of oxygen with glucose, to produce carbon dioxide, water, and energy, and it is worth noting that the body It needs more energy in a cold environment; To maintain a constant body temperature, it needs less in a warm environment.
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