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Author Question: One of the first nutrition surveys, taken before World War II, suggested _____. a. at least 90 of ... (Read 40 times) |
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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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 horizontal fraction bar was introduced by the Arabs.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.