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Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The average adult has about 21 square feet of skin.
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The horizontal fraction bar was introduced by the Arabs.
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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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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.