Exercise/workout is physical activity of body that maintain physical fitness and overall health.
It is very important for health because they inceasing body growth, previnting aging, strengthening muscles, honing athletic skills, weight maintenance, boost imune system, prevent diseases and also enjoyment.
Gym is also type of physical exercise but here we can use power for incresing power, for muscles growing, for heart health, formental health benift and other health benifit.