Exercise Everyone hopes to live happily in the world. A happy life greatly depends on regular 1 . Both of them cannot be separated from each other. There is an old saying that life lies on exercise. To a large extent, exercise can help you live longer and healthier. Exercise can contribute to 2 . You have to move frequently and to be 3 than usual when you do exercise. You can also make friends with many people and learn how to cooperate with others while doing exercises. It helps you become more optimistic. Exercise also does some good for us to 4 . It urges different part of our bodies to coordinate well when we have sports. Exercise will make our life 5 a lot of fun. What ’ s more, exercise 6 our organs. It lets the heart beat faster than usual, and then protects us from heart attacks. Besides, exercise has 7 on one ’ s character. Exercise will help you 8 your lazy habit. If you keep doing exercise regularly, you will never be 9 . In general, exercise is important, helpful and absolutely 10 .