NEET BIOLOGY

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: -Testosterone is the main sex hormone in men. Most testosterone is made in the testes (testicles). Small amounts are also made in your adrenal gland (in the kidney).

Detailed explanation-3: -The testicles produce testosterone. Testosterone triggers the development of the male internal and external reproductive organs during fetal development.