What are calories
Calories
Calories express the unit of food energy, and it refers to the energy that people obtain from food and drink consumed, used in physical activity, and the basic functions of the body, such as: breathing, thinking, Walking, talking, and eating, as it is known as the amount of energy that is required to raise the temperature of one kilogram of water by one degree Celsius, and when you eat more than the necessary amount of it, it is stored as fat in the body.
The amount of calories
There is an average of calories that should be consumed during the day for each individual, and this amount depends on many factors, such as: age, current weight, height, activity level, health of metabolism, and many other things, and this average value is 2000 calories Calories per day for the average woman to maintain her weight, and 1500 calories for losing 0.45 kilograms of weight within one week, and 2500 calories for the average man to maintain his weight, and 2000 calories for losing 0.45 kilograms of weight in one week, and the amount of calories is determined by the type of food eaten and its quantity, and for people who follow a diet to lose weight, the amount of calories in food Determine what kind of food they should eat.
Burning calories
The brain's metabolism uses about 20% of the energy gained, and the remaining amount of energy is used in all body functions, even in a state of rest, such as: circulation, digestion, and breathing. Where the body needs mechanical energy for the skeletal muscles, to maintain the process of movement, posture, and in the process of cellular respiration through which 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 needs more energy in a cold environment; To keep the body temperature constant, less quantity is required in a warm environment.
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