C Regulation of osmotic pressure and volume Hypertonic thirst of ECF l. body water↓ ADHt; aldosterone↓ sodium↑ thirst AngⅡtADH body volume↓ aldosterone↑ receptor of volume e ADH 2. body water f sodium↓」ADH reabsorption of sodium I 3 blood volume f→+ANP1 aldosterone(ADS)↓ tension 4. others ADH↑ pa an(三) Regulation of osmotic pressure and volume Hypertonic thirst of ECF 1.body water ADH ; aldosterone sodium thirst Ang Ⅱ ADH body volume aldosterone receptor of volume ADH 2.body water sodium ADH reabsorption of sodium 3.blood volume ANP aldosterone(ADS) tension 4.others ADH pain