Experts suggest that teens get 60 minutes or more of physical activities each day. Here are some of reasons :
Exercise is good for every pa rt of the bo dy, including the mind. Exercising causes the body to produce chemicals that can help a person to feel more peaceful and happy. 1. _____________________ It can also help some people who are sad and have low(自尊). Also, exercise can give people a real sense of achievement and pride at having achieved a certain goal-like breaking an old recor d in the 100-meter race.
2.___________________ People who exercise burn more calories and look healthier than those who don't. In fact, exercise is one of the most important parts of keeping your body at a healthy weight.