From the essential to the... less so, this ranking dives deep into the various bodily fluids that our systems produce. We're exploring everything from the life-sustaining breastmilk and the surprisingly diverse range of "slick" lubricants, to the universally recognized signals of distress like tears and vomit. Where do the everyday occurrences of piss and snot fall? How does the potent symbolism of blood, period blood, and cum stack up? Prepare for a ranking that might make you squirm, but is sure to spark discussion about these intimate and often overlooked aspects of human biology.