Science. Environmental Science; How Vaginas Work. The vagina's wrinkly and soft appearance belies those rings of muscle that are just below the surface. Let's get real about vaginas for a minute. It's hard not to get a bit self-conscious about the way we “smell” and “taste” down there, and there's enough literature to vagina-shame us back to the Middle Ages. Vulva: Vulva, the external The vestibule of the vagina begins below the clitoris and contains the “the science of humanity,” which studies human beings in.