Blood is approximately twice as thick as water because of the cells and other components found in it.
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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
