And that means glycolysis can actually continue and produce those ATP molecules. Now, the problem with this process is it's only a temporary solution. Why? Well, because as lactic acid takes place, or as lactic acid fermentation takes place, it produces lactic acid. And the lactic acid basically dissociates into H plus ions and lactate ions. And what that means is those H plus ions, as they build up, they will increase the acidity of that environment found within and outside of these cells.