The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Adam Rainer is the only person in recorded history ever to have been both a dwarf and a giant. At age 18 he measured 4 feet 8.3 inches. When he died at age 50 he measured 7 feet 8 inches.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
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