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?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
Chinese Water Deer (Hydropotes inermis inermis) at the Whipsnade Zoo.
In a public aquarium
Evidence of Water on Mars
The Water Cycle
The Morris Water Maze
Hydrozoan. Hydra, a freshwater species capturing and digesting a water flea.