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Did you know?
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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There are 60,000 miles of blood vessels in every adult human.
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The familiar sounds of your heart are made by the heart's valves as they open and close.