NURSING ANM AND GNM

Detailed explanation-1: -Fats are the slowest source of energy but the most energy-efficient form of food. Each gram of fat supplies the body with about 9 calories, more than twice that supplied by proteins or carbohydrates. Because fats are such an efficient form of energy, the body stores any excess energy as fat.

Detailed explanation-2: -Carbohydrates and proteins provide the same amount of energy per gram. Carbohydrates burn fastest in metabolism.