Rest is an important factor for our body to maintain its shape and energy. We must keep ourselves active by regular exercise. We can start from very basic exercises. Our bones and muscles become weak if they are less used. Such muscles become tired easily. 

 

 

 

 

Regular exercise keeps our bones and muscles strong. It keeps our heart, liver and lungs healthy. Exercise, jogging, cycling and swimming area few good basic exercises. 

 

 

 

 

After a day's work, our body gets tired and needs rest. A good sleep of 8 hours daily is must for good health. During sleep our muscles relax and our breathing and heart beat slows down. After rest, we feel fresh and our capacity to do work increases.