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Author Question: The PR segment is a flat line located between the QRS complex and the T wave. (Read 49 times) |
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.