Which is the primary reason the body needs nutrients

Carbohydrates, fats, and proteins provide the energy your body needs to carry out all the biochemical reactions that occur throughout the day (and night). The energy is measured in calories (kilocalories, technically, but we usually just call them calories).

Explanation:

Explanation:

Carbohydrates, proteins, and fats are called macronutrients because they're large, and energy nutrients because they provide the fuel your body needs to do things. Vitamins and minerals are called micronutrients because they're much smaller in comparison.