Reproductive system

The Reproductive system is the bodily system that serves the purpose of the production of offspring. In many humanoids this is accomplished by reproduction.

Tribbles are known for their incredible reproductive rate. 

The Doctor added elements of the reproductive system to his program for the purpose of sex. 

Alien reproduction

 * Betazoid mating
 * Jamaharon (Risian mating)
 * Klingon mating
 * Ocampa mating
 * Orion mating
 * Olan'vora (Varro mating)
 * Vulcan mating
 * Xyrillian mating