Final answer:
Vitamins are essential micronutrients crucial for sustaining the immune system.
Explanation:
Vitamins are essential micronutrients that are critical for maintaining various bodily functions, including sustaining the immune system. While carbohydrates, proteins, and fats provide energy, vitamins play a key role in supporting the immune system by aiding in the production of immune cells and antibodies.
Learn more about Nutrition and Immune System here:
https://brainly.com/question/26402342
