<span>Fat is by far the most calorie loaded of the macronutrients, containing 9 calories per gram compared to only 4 calories per gram for proteins and carbohydrates. Although a low fat diet is generally desirable for persons who would like to restrict their caloric intake, a no fat diet is no recommended by nutritionists or doctors since there is a dietary need for some fat in the diet.</span>
Mitochondria are the powerhouse of the cell, they convert sugars into energy.
Kidneys maintain the electrolyte concentrations by filtering the electrolytes and water from blood, returning some to the blood, and excrete Cretingham any excess into the urine
