Now, another case is Aristomic and small intestine. So Aristomic, unlike the blood, actually functions or Aristomic contains a relative acidic environment. And this is because a lot of our protein enzymes, for example Pepsin found in the stomach function at a low PH. For example, Pepsi functions optimally at a PH of about two. Now, if we examine and study the small intestine which basically contains the enzymes that are involved in breaking down the macromolecules into their constituent parts which are then ingested into our blood. So basically, enzymes in the small intestine function optimally at a slightly basic PH of about 8.0.