The Renin-Angiotensin-Aldosterone [RAAS] System

The video explains the RAAS system, focusing on the roles of renin, angiotensin, and aldosterone in regulating blood volume and pressure. It details how low blood volume triggers renin release, leading to angiotensin II formation, which increases blood pressure through vasoconstriction and thirst stimulation. Aldosterone aids in water retention by promoting sodium reabsorption, while antidiuretic hormone further reduces urine output.

What is the relationship between blood volume and blood pressure?

Describe the process by which angiotensinogen is converted to angiotensin I.

What role does the enzyme ACE play in the RAAS system?

How does aldosterone affect urine output?