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Author Question: The cortex consists of __________ layers of tightly packed neurons. a) 2 b) 4 c) 6 d) ... (Read 20 times) |
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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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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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.