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Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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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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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Early in the twentieth century, when malnutrition was common, companies such as this one advertised Early in the twentieth century, when malnutrition was common, companies such as this one advertised
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Video: Regulation of GFR: three methods, autoregulation & autoregulation via myogenic mechanism

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