HUMAN NUTRITION

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 are one of the six major nutrients and the main source of energy. Examples of carbohydrates include sugars, starch, and fiber in the diet. The body’s top priority is to provide enough energy for all cellular activities needed to sustain life. Carbohydrates are the preferred source of energy.