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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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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Everyone has one nostril that is larger than the other.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.