the answer to this question is the testes
your welcome :D
The testes/testicles are the site of sperm production.
Leydig cells located in the testes
testis
The testes
The gonad is another name for testicle which is the part of the male body that produces testosterone and sperm.
testosterone
Female-Oesterogen and Progesteron Male-Testosterone
The name of the hormone that causes puberty in male mammals is the testosterone
Sperm cell
sperm
sperm or male reproductive cells.
Testosterone...multiple functions
sperm cell
Sperm and egg
It is called "milt".
Gamete (a male or female sex cell ie the egg or the sperm)