nike94md (nike94md)

Race #124

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Official speed 40.94 wpm (57.16 seconds elapsed during race)
Race Start March 4, 2011 3:28:07pm UTC
Race Finish March 4, 2011 3:29:04pm UTC
Outcome Win (1 of 5)
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.