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Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
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?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.



