Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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On average, men's noses are 10% larger than women's.
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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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An African Baobab tree in South Africa, known as Big Baobab, has a circumference of 154 feet and even has a bar inside the trunk that can fit 60 people.
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The Caspian Sea is also classed as the world's largest lake.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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