【正文】
al exercises, they’ II certainly help you live longer and more healthily. Exercise is good for us to build our bodies. It helps co ordinate the different parts of our bodies when we have sports. For example, we must try our best to co ordinate the movements of the arms and legs when we play basketball, or we won’t be able to shoot the basket. Exercise also benefits our organs. It lets the heart beat faster than usual, and then helps enlarge the blood vessels to protect us from heart attacks. Exercise can also contribute to the development of our ability to response agilely. For instance, when you play table tennis,