Vegetables and fruits are an important part of a healthy diet.first,fruits and vegetables are packed with the vitamins and minerals you need to keep your body functioning smoothly. In addition, they give you the carbohydrates you need for energy.finally, many scientisles have lots of fiber to help your digestive system work properly. Finally, many scientists believe that the nutrients in fruits and vegetables can help fight diseases. If you eat a diet rich in fruits and vegetables, you'll be on the road to better health.