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Author Question: During certain periods artists formed ________, which were like trade unions and assured ... (Read 114 times) |
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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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Cyanide works by making the human body unable to use oxygen.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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There are 20 feet of blood vessels in each square inch of human skin.