There are 20 feet of blood vessels in each square inch of human skin.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Identification of the numbers in the Word Problem
Chemistry - Problem Solving
Problem
Problem
Gravitational Potential Energy for the Earth problem