Everyone knows that exercise is important. We all need to exercise. Doctors say it is good for us. It makes your heart and body strong. Children who often exercise are much healthier than those who hardly ever exercise.
There are many ways to exercise. You can walk, run, swim, skate, or play ball games. Exercise enough but not too much. It is best to exercise every day. Thirty minutes each time is enough. Try all kinds of things until you find one, two or even three sports that feel right for you.
You can exercise at fitness centers. They have a lot of equipment(装备) there. The equipment will help exercise your arms, legs and other parts of your body to make you fit. Some people buy equipment for their homes. But it is very expensive.