Answers

2014-05-06T09:08:42+05:30
EXERCISE 
to  put into use
to bring to bear
to perform or make proper use of
to take exercise or perform exercise
physical exertion 
mental or other activity or practice etc  
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2014-05-06T09:33:43+05:30
Exercise is the activity of exerting the muscles in various ways to keep ourselves fit
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