people want to have good is good health?you are feeling strong and eyes are bright and face is clean and feel happy and ready for enjoy your work and are in good cise is one of the forms to keep our body in good cise trains the muscles and makes them can walk and throw a ball because you have trained your muscles to do these the soft part of your are feeling you bend your arm you can feel the big muscles move and become cise not only keeps the muscles of the limbs and body in good condition,but also strengthens the muscles of the heart and organs of cise helps to make the heart you ever felt your beat?it beats faster when you are running than when you are sitting heat pumps blood more freely when we do exercise,and serves all parts of the body cise helps the lungs to do better full and rapid breathing develops the muscles of the 's take part in earlier,the better.