The human body is engineered for strength, power and endurance. Bone is sturdy as concrete but flexible enough to resist breaking. It's even light enough to allow us to be quicker off the mark than a racehorse.
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Human Body: Pushing the Limits: Rock Climber
The human body is engineered for strength, power and endurance. Bone is sturdy as concrete but flexible enough to resist breaking. It's even light enough to allow us to be quicker off the mark than a racehorse.
Added: May 1, 2009
Views: 6999 Views
Runtime: 02:17
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