mai khanh (khanh88)

Race #329

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Official speed 28.84 wpm (81.14 seconds elapsed during race)
Race Start June 23, 2010 8:07:10am UTC
Race Finish June 23, 2010 8:08:31am UTC
Outcome No win (3 of 4)
Points 0.00
Text #409 (Length: 195 characters)

There are two kinds of fibers in our muscles, red and white. Red muscle fibers enable us to maintain long-term, low stress activity. White muscle fibers are specialized for fast, rapid movements.