A sex organ or reproductive organ, primary sex organ... - dofaq.co
mammalian genitalia

A sex organ or reproductive organ, primary sex organ...

wikipedia - 26 Jul 2015
A sex organ or reproductive organ, primary sex organ, or primary sexual characteristic, is any anatomical part of the body in a complex organism that is involved in sexual reproduction and together constitute the reproductive system. The external and visible organs, in males and females, are the primary sex organs known as the genitals or genitalia. The internal organs are known as the secondary sex organs and are sometimes referred to as the internal genitalia. The

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