Mack (mack49)

Race #140

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Official speed 27.78 wpm (84.23 seconds elapsed during race)
Race Start July 3, 2012 4:54:43pm UTC
Race Finish July 3, 2012 4:56:07pm UTC
Outcome No win (2 of 3)
Accuracy 84.0%
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.