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 ...

In 335 B.C.E., Aristotle proposed that the heat of the male partner during intercourse determined sex. At least in the case of reptiles, Aristotle was on to something. What about in other animals? The ...

Seminal plasma contains a large number of tissue-specific proteins secreted by individual organs of the male reproductive system Male reproductive system disorders result in altered composition of the ...