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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
The average adult has about 21 square feet of skin.
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