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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.