The male reproductive system refers to the bodily systems responsible for sexual function in males. It consists of external and internal structures responsible for the formation, storage, and ...

produce and transport semen, which contains sperm release sperm into the female reproductive tract during sex make male sex hormones, such as testosterone Have you ever wondered what the different ...

Journal of the New York Entomological Society, Vol. 91, No. 4 (Dec., 1983), pp. 377-393 (17 pages) This paper presents the anatomy and histology of the reproductive system, the external genitalia, and ...

Whether it's our bloodstream, brain, or lungs, microscopic fragments of plastic seem to turn up every time scientists scour a new corner of the human body. The male reproductive organs are no ...