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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Excessive alcohol use costs the country approximately $235 billion every year.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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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.

The four ways in which animals exchange heat with the environment are radiation, evaporation, convec The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
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As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast As a result of sharing its environment with humans, this macaque had the opportunity to steal an ast
The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue The first commercially successful typewriter, manufactured in quantity beginning in 1874, surely fue
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Testing Infants’ Knowledge Testing Infants’ Knowledge
Video: Embryonic development - Week 3

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