Question

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

Explanation:

Endocrine structures secrete hormones directly into the bloodstream. The testicle is an endocrine gland as it produces testosterone and other hormones. The penis is the male copulatory organ, and the epididymis is involved in sperm maturation and storage, neither of which are endocrine - related functions.

Answer:

C. Testicle