The hormone involved in the regulation of blood pressure is
High-Yield Explanation
The hormone involved in the regulation of blood pressure is Angiotensin II. Angiotensin II is a powerful vasoconstrictor that increases the total peripheral resistance and decreases Na+ and H2O excretion by kidney, thereby causing an increase in aerial BP. Humoral Regulation of BP Ref: Ganong Medical Physiology 26th edition PGno: 586