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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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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.
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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.