The Renin-Angiotensin-Aldosterone System

The Renin-Angiotensin-Aldosterone System

The renin-angiotensin-aldosterone system (RAAS) is a hormonal system that is responsible for the regulation of arterial blood pressure and of the concentration of sodium in the plasma.   Renin and angiotensinogen The first stage of the RAAS is the release of the...