So I have a few questions about it: What is AP humanities? (The teacher has a bunch of art around his room so I'm assuming it has to do with art) What do you do in AP humanities? Is... show more We just got our class choices for next year and as I was looking over the AP choices, I noticed that AP humanities was on it.
Angiotensin-converting enzyme. Angiotensin-converting enzyme (EC 3.4.15.1), or ACE, is a central component of the renin-angiotensin system (RAS), which controls blood pressure by regulating the volume of fluids in the body. It converts the hormone angiotensin I to the active vasoconstrictor angiotensin II.
â¦is regulated primarily by the renin-angiotensin system. Renin is an enzyme secreted into the blood from specialized cells that encircle the arterioles (small arteries) at the entrance to the glomeruli of the kidneys (the renal capillary networks that are the filtration units of the kidney).