A reproductive systems is the ensembles and interactions of organs and or substances within an organism that stricly pertain to reproduction. As an example, this would include in the case of female mammals, the hormone estrogen, the womb and ova, but not the breasts. This also includes gametes.
Compare to sexual anatomy.
The content of this page is retrieved from http://en.wikipedia.org/wiki/Reproductive_system under GFDL