A. Rohypnol (also known as Roofies)
True because they play a key role in breaking down the food you eat they speed up chemical reactions that turns nutrients into substances that your digestive tract can absorb . They are found in your saliva (digestive enzymes) also some of your organs release it like your pancreas , gallbladder , and liver
I think it would be the first one because 75% of your body is water and that is the only one with 75%