Now the turtle takes the term "for a while" to a whole new level, and this is because, from their heart's viewpoint, being cut off from the oxygen and nutrients usually supplied by the blood is just a normal day at the office. Because these animals can dive for a long time. How long? Try 5,000 hours, in the case of the loggerhead musk turtle. Yes, you read that right -- that was a five followed by three zeros
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Add all this up and the end result is that, just like that Celine Dion song that we had finally managed to completely wipe from our memories right up until James Cameron had the bright idea to rerelease Titanic in 3-D, a turtle's heart just goes on and on.