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Author Question: Any naturally occurring, inorganic, crystalline substance with a fairly definite chemical ... (Read 42 times) |
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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There are 20 feet of blood vessels in each square inch of human skin.
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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.