Are you unsure of what happens to your body after each workout? Well, this article offers a nice brief description of what happens, focusing on a number of different elements of our body, and why physical fitness is such a necessity to your well being.
http://www.huffingtonpost.com/2014/01/23/benefits-of-one-workout_n_4618547.html
http://www.huffingtonpost.com/2014/01/23/benefits-of-one-workout_n_4618547.html