Physiology Kidneys and Body Fluids 14f53d98 Physiologically inactive form is A Angiotensin I B Angiotensin II C Angiotensin III D Angiotensin IV High-Yield Explanation Ans. (a) Angiotensin I(Ref: Ganong, 25th ed/p.696)Angiotensin II & III got physiological activitiesAngiotensin I is only the precursor of Angiotensin II