Did you know that in Paraguay, duelling is legal as long as both people are registered blood donors?
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17 04 2013Comments : Leave a Comment »
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9 03 2013Did you know that a lobster’s blood is colourless but when exposed to oxygen it turns blue?
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16 02 2013Did you know that there are over 97,000 km (60,000 miles) of blood vessels in the average person?
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Tags: Amazing, average, blood, did you know?, Facts, Fascinating, human, Incredible, interesting, km, Medical, miles, people, person, vessels, Wow!
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