What are nutrients and why are they important'?

Nutrients are essential substances that organisms need to survive, grow, and function properly. They include carbohydrates, proteins, fats, vitamins, and minerals, each playing specific roles in bodily processes, such as energy production, immune function, and tissue repair. Adequate intake of nutrients is crucial for maintaining health, preventing diseases, and supporting overall well-being. Without these vital components, the body can experience deficiencies that lead to various health issues.