Nutrients are things that plants and animals use to grow, function and survive. For animals, they make up the vitamins and minerals in food, such as potassium, iron, and sodium.
Nutrients are what keeps your body going and a lot of what comes out of the food you eat. They are what make up a healthy diet. They are what keep your body's metabolism. Plant also get nutrients from the soil around them and that is what we do when we fertilize them