Changes

'''{{PAGENAME}}''' is a characteristic of [[puberty]] that is not directly related to [[sexual reproduction]], in contrast to [[primary sex characteristic]]s. Secondary sex characteristics are the aspects of adolescents' bodies that make them appear more [[male]] or [[female]].

A '''secondary sex characteristic''' is an attribute of [[puberty]] that is not directly related to [[sexual reproduction]], in contrast to [[primary sex characteristic]]s. Secondary sex characteristics are the aspects of adolescents' bodies that make them appear more [[male]] or [[female]].

These characteristics are determined by the [[hormone]]s developed—[[estrogen]]s produce estradiol, which is released by the [[ovary|ovaries]], and [[androgen]]s produce [[testosterone]], which is released by the [[testes]]. Though both men and women have estrogen and androgen, it is the abundance of estradiol or testosterone that change the individual.<ref>Grison, Sarah, and Michael S. Gazzaniga. ''Psychology in Your Life''. W.W. Norton & Company, Inc., 2017.</ref>

These characteristics are determined by the [[hormone]]s developed—[[estrogen]]s produce estradiol, which is released by the [[ovary|ovaries]], and [[androgen]]s produce [[testosterone]], which is released by the [[testes]]. Though both men and women have estrogen and androgen, it is the abundance of estradiol or testosterone that change the individual.<ref>Grison, Sarah, and Michael S. Gazzaniga. ''Psychology in Your Life''. W.W. Norton & Company, Inc., 2017.</ref>