Calories
Calories are the unit of nutritional energy. They refer to the energy that people obtain from food and drink consumed, used in physical activity, and the basic functions in the body, such as: breathing, thinking, walking, talking, and eating, and it is also known as the amount of energy. Which is necessary to raise the temperature of one kilogram of water by one degree Celsius, and when eating more than the necessary amount of it is stored as fat in the body.
Caloric intake
There is an average calorie intake that must be consumed during the day for each individual, and this amount depends on many factors, such as: age, current weight, length, activity level, metabolism health, and many other things, and this average amounts to 2000 calories per day For an average woman to maintain her weight, 1500 calories for a loss of 0.45 kilograms of weight in one week, 2,500 calories for an ordinary man to maintain his weight, and 2000 calories for a loss of 0.45 kilograms of weight within one week, And its quantity, and for people who follow a diet to lose weight, the amount of calories in the food determines the type of food that they must eat.
Burn calories
Brain metabolism uses about 20% of the energy gained, and the rest of the energy is used in all functions of the body, even at rest, such as: blood circulation, digestion, and breathing; Where the body needs mechanical energy for the skeletal muscles, to maintain movement, posture, and in the cellular respiration process through which cells obtain energy, through the interaction of oxygen with glucose, to produce carbon dioxide, water, and energy, it is worth noting that the body Needs more energy in the cold environment; To maintain a stable body temperature, it needs less in a warm environment.
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