1) Cojones 
The male sex glands. The testicles produce and store sperm and are the major source of testosterone. ... (12 Dec 1998) ... 
Testicles: The testicles (also called testes or gonads) are the male sex glands. They are located behind the penis in a pouch of skin called the scrotum. The testicles produce and store sperm, and they are also the body's main source of male hormones (testosterone). These hormones control the development of the reproductive organs and other male ch...
Male reproductive organs that produce and store semen.
the two male sex organs that produce sperm and the sex hormone testosterone 
Same as testes. An organ that produces sperm.
Kapura