Proteins and carbohydrates are 4 calories per gram, while fats have 9 calories per gram.
The calories that are not used in the expenditure of energy is stored in the body as fat
Daily calories (per day) burned tissue kilo:
Liver = 200
Brain = 240
Heart and kidney = 440
Muscle = 13
Adipose tissue (fat) = 4
Everything else (the spleen, bone, adrenal glands, etc.) = 5
The muscle burns 3 times more calories than fat.
Exercise plays an important role in the burning of calories and weight loss, healthy diet, physical activity accompanied with will and courage is the formula to lose weight naturally.