ANATOMY

Detailed explanation-1: -The testes are responsible for making testosterone, the primary male sex hormone, and for producing sperm. Within the testes are coiled masses of tubes called seminiferous tubules. These tubules are responsible for producing the sperm cells through a process called spermatogenesis.

Detailed explanation-2: -The two testicles (or testes) produce sperm and the male sex hormone testosterone.

Detailed explanation-3: -(TES-tis) One of two egg-shaped glands inside the scrotum that produce sperm and male hormones. Also called testicle.

Detailed explanation-4: -The testes synthesize two essential products: testosterone, needed for the development and maintenance of many physiological functions including normal testis function; and sperm, needed for male fertility.

Detailed explanation-5: -Male reproductive hormones, such as testosterone, help develop and maintain male sex characteristics and help make sperm in the testes.