natural parts

noun[plural only]2

1. •
   (no longer used) The genitals.

   • These islanders were naked except their natural parts, some were painted black. — 1774
2. •
   (no longer used) Someone's innate, untaught talents or skill.

   • Between the fear of losing […] should be remembered by readers disposed to judge harshly of a young man who may have struck them as making but an indifferently successful use of fine natural parts. — 1881