If you eat the right food and exercise    1     (regular) you can feel better, look better and be more    2    (energy). If you skip meals, you won’t get enough energy. Experts suggest that teenagers spend at least 30 minutes     3    (exercise), five times a week. That is easy to do! Walking and riding your bike count, and so     4    school sports. When you exercise, your body produces some     5     (chemistry) that make you feel peaceful and relaxed,     6    can increase your ability to concentrate    7     you study. A good amount of sleep every night is    8    important for your health. As a matter of fact,     9    of sleep can make you look tired, and even cause you    10    (gain) weight.