Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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A 42-foot sperm whale has about 7 tons of oil in it.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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