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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.
The familiar sounds of your heart are made by the heart's valves as they open and close.
According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.