Water, Compartments & the Pull of Gradients

The Story

Some of Stina’s later scans show fluid where it shouldn’t be: a little around the lung (an effusion) and, in a bad stretch, in her belly (ascites). That fluid is the same serositis story – inflamed serous membranesThin tissues that line body cavities and secrete fluid. weeping into their potential space, a shift called third-spacing. To understand it you need the body’s waterThe universal solvent essential for life.: how much there is, which compartments hold it, and the gradients that move both water and dissolved moleculesGroups of atoms bonded together.. Those same gradients set up transport in Module 3.