The penis is the male organ of reproduction and also the organ of urinary excretion. The testes are a paired set of glands that produce sperm. The scrotum is the sac that houses the testes.
Review Date 7/26/2021
Updated by: Kelly L. Stratton, MD, FACS, Associate Professor, Department of Urology, University of Oklahoma Health Sciences Center, Oklahoma City, OK. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.