What role do micronutrients play in the body?

Micronutrients play a vital role in numerous biochemical processes crucial for maintaining overall health. Unlike macronutrients, which provide energy and are necessary for growth, micronutrients—which include vitamins and minerals—are required in smaller amounts but are essential for a variety of bodily functions.

These substances are key players in supporting the immune system, aiding in the production of energy, and facilitating metabolic pathways that convert food into energy. They also contribute to functions such as blood clotting, bone health, and the maintenance of healthy skin and vision. A deficiency in micronutrients can lead to a range of health issues, emphasizing their importance beyond just contributing to growth. Thus, their role is multifaceted and critical for sustaining health and well-being.

The other options misrepresent the necessity and functions of micronutrients; while growth is one aspect, it's far from the only significance. They are indeed needed by the body, contradicting the claim that they are unnecessary. Furthermore, unlike macronutrients, they do not provide calories, making the option that suggests they contribute to calorie intake inaccurate. Understanding the diverse roles of micronutrients can help individuals appreciate their importance in a balanced diet.