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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
The FDA recognizes 118 routes of administration.
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?
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.