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Author Question: The movement of food through the digestive system is a function of ________ muscles. (Read 20 times) |
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.