|Is converted to Angiotensin by [[Kidney Endocrine Function - Anatomy & Physiology|renin]] which in turn is converted to other substrates which act to raise blood pressure during hypotension. | |Is converted to Angiotensin by [[Kidney Endocrine Function - Anatomy & Physiology|renin]] which in turn is converted to other substrates which act to raise blood pressure during hypotension. |