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Everyone has one nostril that is larger than the other.
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There are approximately 3 million unintended pregnancies in the United States each year.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.