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The familiar sounds of your heart are made by the heart's valves as they open and close.
Blood is approximately twice as thick as water because of the cells and other components found in it.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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