Question

which of these organs is an endocrine structure? male reproductive system seminal vesicle prostate gland vas deferens penis epididymis testicle a. penis b. vas deferens c. testicle d. epididymis

Explanation:

Endocrine structures secrete hormones directly into the bloodstream. The testicle secretes testosterone, a hormone, making it an endocrine structure. The penis is for sexual intercourse and urination, the vas deferens transports sperm, and the epididymis stores and matures sperm, none of which are endocrine - related functions.

Answer:

C. Testicle