The testicles are located inside the scrotum-the loose bag of skin that hangs below the penis. From the start of puberty, each testicle produces sperm and the hormone testosterone.
Attribution: BUPA
The testicles are located inside the scrotum-the loose bag of skin that hangs below the penis. From the start of puberty, each testicle produces sperm and the hormone testosterone.
Attribution: BUPA