Title: WALKING -THE BEST EXERCISE
Description: WALKING – THE CHEAPEST AND GREATEST EXERCISE	Walking is the ultimate and complete exercise. For several million years man has been walking with an upright gait. From million of years it is used as the only means of travel. Walking has been valued for its contribution to health and longevity. It is a fact that our bodies are built for action and movement. Mechanism of walking is as important as the mechanism of respiration and heart function. It is a part of our life; it plays a great role in maintaining our health. The dynamic exercise (walking) in itself is an excellent stamina  building package. Oxygen cannot be stored in the body and we need it continuously to maintain health and physique. Walking in open air in early morning increases our normal capacity to process oxygen which helps in an improved cardiovascular and respiratory system; resulting in a strong and toned up body. Walking helps the body to take more air with less effort. The lungs are than able to extract more oxygen from the increased air supply and deliver it to the cell. This oxygen is then combined with food to produce energy. By walking the heart becomes stronger, the vessels become more elastic. Flow of blood to the muscles is improved and joints become more strong and mobile.
Subjects: Health & Fitness, Nonfiction