In many animals, a penis (; pl.: penises or penes) is the male sexual organ used to inseminate females (or hermaphrodites) during copulation. Such organs occur in both vertebrates and invertebrates, but males do not bear a penis in every animal species.
In many animals, a penis (; pl.: penises or penes) is the male sexual organ used to inseminate females (or hermaphrodites) during copulation. Such organs occur in both vertebrates and invertebrates, but males do not bear a penis in every animal species.
Source: Wikipedia "Penis" · CC BY-SA 4.0
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