The word woman can be used generally, to mean any female human or specifically, to mean an adult female human as contrasted with girl.
The word girl originally meant "young person of either sex" in English; The term girl is sometimes used colloquially to refer to a young or unmarried woman; however, during the early 1970s feminists challenged such use because the use of the word to refer to a fully grown woman may cause offence.
It is a popular misconception that the term "woman" is etymologically connected to "womb".
"Womb" is actually from the Old English word wambe meaning "stomach" (modern German retains the colloquial term "Wampe" from Middle High German for "potbelly").
The earliest women whose names are known through archaeology include: In terms of biology, the female sex organs are involved in the reproductive system, whereas the secondary sex characteristics are involved in nurturing children or, in some cultures, attracting a mate.
The ovaries, in addition to their regulatory function producing hormones, produce female gametes called eggs which, when fertilized by male gametes (sperm), form new genetic individuals.
In particular, previously common terms such as office girl are no longer widely used.