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Did you know?
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").