👉 Renin, also known as angiotensinogen, is a protein produced by the kidneys that plays a crucial role in regulating blood pressure and fluid balance. It forms part of the renin-angiotensin system, which includes other hormones such as aldosterone, angiotensin-converting enzyme (ACE), and sodium-potassium pump.
Renin acts as an endogenous antagonist to ACE, inhibiting its action on blood vessels. This means that when the circulation is low
rennin