Author Question: Trapped sebum can stagnate and dry out, becoming darkened. This is called a ________. (Read 41 times)



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vboyd24

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Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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