In some dogs hyperplasia may begin as early as 25 years of age and after 4 years of age cystic hyperplasia tends to develop. The two male reproductive glands located in the scrotum which produce testosterone and sperm. This Diagram Contains The Important Parts Of The Male Reproductive System Including Where Th Reproductive System Biology Diagrams Basic Anatomy And Physiology The female reproductive system is located primarily inside the pelvic cavity. . Media in category Labeled photographs of human male genitalia The following 90 files are in this category out of 90 total. Testosterone is also produced in small quantities by the ovaries in women. The urinary system helps rid the body of toxins through urination peeing. Anatomy of the Heart Location. Morphology of Human penis Healthy. The prostate function is to produce fluid secreted into the urethra during ejaculation. Found situated around openings like...