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A giraffe only has one heart, but it is very large. A giraffe's heart measures up to two feet in length and can weigh up to 22 pounds. This is the only possible way for it to maintain
http://answers.ask.com/Science/Biology/how_many_he...
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up to 2 feet long.
http://wiki.answers.com/Q/How_big_is_giraffe's_hea...
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A giraffe's heart weighs about 22 pounds and is around 2ft. long! now that's what i call a big heart!!
http://wiki.answers.com/Q/What_is_the_size_of_a_gi...
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they need a big heart because of their large body so that it can still send blood to different parts of the body
http://wiki.answers.com/Q/Why_are_giraffes_Big_hea...
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