Heart of blue whale weighs 600 kilograms and is the largest known in any animal. A blue whale’s aorta (the main blood vessel) is large enough for a human to crawl through. YouTube : Heart of blue whale weighs 600 kilograms (Credit: +Did You Know ?)

One Response to “Heart of blue whale weighs 600 kilograms and is the largest known in any animal. A blue whale’s aorta (the main blood vessel) is large enough for a human to crawl through. YouTube : Heart of blue whale weighs 600 kilograms (Credit: +Did You Know ?)”

1. Roberto Mazzoni says:

   October 27, 2012 at 9:27 am

   Heart of blue whale weighs 600 kilograms and is the largest known in any animal. A blue whale’s aorta (the main … http://t.co/OZSudUFj

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