what are the gonads in the male reproductive system quizlet
Testes. Singular, testis. The paired male gonads, they are the primary organs of the male reproductive system and measure about two inches in length and one inch in diameter. They are located in the scrotum, or scrotal sac. Their role is to produce sperm and the hormone testosterone.he paired male gonads, they are the primary organs of the male reproductive system and measure about two inches in length and one inch in diameter.