The Role of Thirst in controlling Plasma Osmolarity

This interesting video presents the psychophysiology of Thirst. It not only discusses the mechanism of thirst but also links it to sodium specific hunger. Timeline: 0:00 introduction 1:06 Thirst satiety 2:59 Mechanisms of Water Regulation 6:06 Osmotic Pressure and Osmotic Thirst 12:38 Hypovoleumic thirst and Salt Appetite Mechanism