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 ...

Humans are sexual, meaning that both a male and a female are needed to reproduce. Each is equipped with specific organs capable of producing specific cells needed to procreate. In conjunction with a ...

Human reproduction requires both male and female gametes. Gametes are special sex cells that contain the genetic information necessary to create a new life. Men produce millions of gametes called ...

A late 1800s image of a gorilla male, albeit one probably not thinking about reproductive senescence How do you check the cardiovascular function of a large gorilla ...

A protein called COUP-TFII determines whether a mouse embryo develops a male reproductive tract, according to new research. The discovery changes the long-standing belief that an embryo will ...

Male fertility rates have been plummeting over the past half-century. An analysis from 1992 noted a steady decrease in sperm counts and quality since the 1940s. A more recent study found that male ...