Diffusion is based on a gradient of concentration of substances in intestines cavity, in blood or a lymph. By diffusion through intestines mucous membrane water, ascorbic acid, пиридоксин, рибофлавин and many medical products are transferred. dilantindecadron For maintenance of the adaptation and adequate behaviour are necessary not only ability to development of new conditioned reflexes and their long preservation, but also possibility to elimination of those conditioned-reflex reactions necessity in which is absent. Disappearance of conditioned reflexes is provided with braking processes. On I. P.Pavlovu, distinguish following forms коркового braking: unconditional, conditional and other-wordly braking.