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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.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.