Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health and wellness. It is performed for various reasons including strengthening muscles and the cardiovascular system, honing athletic skills, weight loss or maintenance, as well as for the purpose of enjoyment. Frequent and regular physical exercise ...
Found on
http://en.wikipedia.org/wiki/Physical_exercise
body activity which improves or maintains good health
Found on
https://sciencetrek.org/sciencetrek/topics/muscles/glossary.cfm
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