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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.