Heart of Blue whale.!!!

Posted by Varatha krishnan On Thursday, November 1, 2012 0 comments

                                    Heart of blue whale

Heart of blue whale weighs 600 kilograms and is the largest known in any animal. Heart of blue whale weighs 600 kilograms.!!
 A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.!!!!!

 source-> Did you Know?
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