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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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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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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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Cyanide works by making the human body unable to use oxygen.