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Did you know?
Your heart beats over 36 million times a year.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

