Keeping your body healthy and strong through exercise and eating good food is called fitness. If your body is fit, it will work and feel better.
Exercise is an important part of physical fitness.
If you exercise regularly, your heart, lungs, muscles and other parts of your body will get stronger and work better. There are many ways you can exercise and different exercises help your body in different ways. Stretching exercises help you warm up your muscles before you do other exercises. Stretching your legs, arms, back and neck keeps your muscles from getting hurt during exercise. Aerobic exercises strengthen your heart and lungs and help them work better.