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.
Digestive enzyme - Stomach. 1  The enzymes that are secreted in the stomach are called gastric enzymes. 2  Pepsin is the main gastric enzyme. 3  Hydrochloric acid (HCl): This is in essence positively charged hydrogen atoms (H+), or in lay-terms stomach acid, and is produced by the cells of the stomach called parietal cells.