5780. Moreover, it may be seen from the serieses of the fibers in the body, how the case is in the ultimate heaven, in that there are in that heaven incomprehensible fascicles; as, for example, those which are about the heart, those which are in the lower part where all things marvelously unite together, where one fiber inflows into another and also entwines itself with others in a wonderful manner, flowing in and flowing out and mingling itself with others and into others again even into the ganglia, where they commingle themselves in a different way, and thence flow forth to the performance of their functions. How these things take place, nobody is able to comprehend; they are arranged according to the heavenly form. [Similarly circumstanced are] the cardiac plexus, the hepatic and other plexuses also the individual plexuses in every single internal organ.