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7. A baleia-azul é o maior animal que já existiu
Blue whale heart
17 Objetos e animais que são muito maiores do que imaginamos
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Dave Stopera
Stephanie D’Ornelas
Live Science Staff
Dave Stopera
Via geekosystem.com 
Imgur Blue Whale Heart
Amazing and weird facts for everyday. A blue whale's heart can be as large as a car
Wissenswertes: folgen Sie für mehr lustige, interessante und seltsame Fakten 😉 #fakten #folgen #interessante #lustige #seltsame #wissenswertes
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A Blue Whales artery, 4 feet diameter... (via #spinpicks)
Preserved 600-pound blue whale heart is
 first-ever to be conserved
Amazing Facts
Whale Facts: 17 Facts about Whales ←FACTSlides→