Final answer:
Micronutrients are the substances you must obtain from food to meet the body's physiological needs. They include vitamins and minerals, which play many roles in good health and are essential for proper bodily function.
Step-by-step explanation:
Micronutrients are the substances you must obtain from food to meet the body's physiological needs. They include vitamins and minerals, which are essential for proper bodily function. Vitamins are organic compounds that play many roles in good health, while minerals perform various functions in the body. Micronutrients need to be consumed regularly because the body cannot store them.