Final answer:
Micronutrients play a unique role in providing essential vitamins and minerals to the body in small amounts, with functions ranging from maintaining good vision to participating in chemical reactions and contributing to the body's structure.
Step-by-step explanation:
Micronutrients play a unique role in providing essential vitamins and minerals to the body in relatively small amounts. These nutrients are important for various functions such as maintaining good vision, helping blood clot, participating in essential chemical reactions, and contributing to the body's structure. While some micronutrients can be stored in the body's tissues, others, like vitamin C and most B vitamins, are water-soluble and need to be consumed daily or every few days.