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Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.