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They have the biggest hearts on the planet. The heart of a blue whale weighs more than 1,000 pounds, the weight of an average dairy cow. A blue whale heart pump

• bookofjoe 7y ago
  >David Attenborough once claimed that the blue whale’s heart “is the size of a car, and that some of its blood vessels are so wide that you could swim down them.” Neither factoid is true. In 2015, when a dead blue whale washed ashore in Newfoundland, Canada, a dissection team from the Royal Ontario Museum managed to extract and measure its heart. At 400 pounds, it was undoubtedly and impressively big. But the main artery was barely big enough for a human head, and the whole organ was more like “a small golf cart or circus bumper car for two,” said Jacqueline Miller, a mammalogy technician, to the BBC. Goldbogen compares it to “an easy chair or a single-person sofa.”
• ChrisGranger 7y ago
  Your post was lifted word-for-word from noaa.gov. https://www.fisheries.noaa.gov/feature-story/big-hearted-blue-whale https://www.fisheries.noaa.gov/feature-story/big-hearted-blu...