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The backs of humans are much harder and better protected than the fronts of humans. The vital organs of humans are placed in the front of humans with little protection. This would make sense for animals that walk on all fours but not animals that walk upright on two legs. This design doesn’t sound very intelligent. Maybe we’re like this because millions of years ago, our ancestors walked on four legs. 2/7/2003 8:55:33 PM  

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