The term exercise in meant by the movement of muscles in a proper way. Exercise is essential for a sound body. People who have to work hard all day , do not need any other bodily exercise. The farmer, labour, mason and the coolie, find all the exercise they need in their daily work. If we do not do exercise , we become dull. Exercise helps in circulation of blood of deep breathing.

Nowadays many people work more with their mind than with their hands. They sit on chairs and do mental work. Businessman, student, officer, teacher, operator and other office workers get no exercise in their work. and so, if they want to keep the muscles well and strong, they must take exercise when their work is over. Because exercise in necessary for health. If they do not use their muscles they will become weak if the body is always resting, it will become week, fat and useless and then all kind of diseases may come indigestion, weakness of heart , bad blood blood pressure gas and trouble in lungs.