Production of Blood Sugar. In the case of blood sugar, a hormone stimulates the liver as well as the kidneys. The sugar that fuels many of the body's processes exists as glucose. The liver stores excess glucose and also synthesizes new glucose if the body's supply is low.Researchers have determined that the kidneys can synthesize glucose as well. The kidneys and the liver are stimulated to do this by low levels of the hormone insulin.roduction of Blood Sugar. In the case of blood sugar, a hormone stimulates the liver as well as the kidneys. The sugar that fuels many of the body's processes exists as glucose. The liver stores excess glucose and also synthesizes new glucose if the body's supply is low.
Carbohydrates, fats and proteins are referred to as the three energy-yielding nutrients because they provide your body with energy that is measured in calories. You'll also learn about another substance that can provide your body with calories, even though it is not a nutrient.
The amount of energy you'll get from carbohydrate, protein and fat is measured in calories per gram. Fats have the most energy and proteins have the same amount as carbohydrates, but their value as a source of energy is determined by more than the calories gained from one gram.Other factors, such as your activity level and diet, impact which macronutrient is used for energy.arbohydrates. Carbohydrates have four calories per gram. Sugars and starches get digested to produce glucose, which is the form of energy preferred by every cell in your body. They also have the advantage of being converted into energy faster than fats and protein.