I was curious: http://en.wikipedia.org/wiki/Cloaca http://en.wikipedia.org/wiki/Cloaca > In zoological anatomy, a cloaca ( /kloʊˈeɪkə/) is the posterior openin

I was curious: http://en.wikipedia.org/wiki/Cloaca http://en.wikipedia.org/wiki/Cloaca > In zoological anatomy, a cloaca ( /kloʊˈeɪkə/) is the posterior opening that serves as the only such opening for the intestinal, reproductive, and urinary tracts of certain animal species.