In a brief course of our lectures on normal physiology for the students of medical faculty, offered to you, the basic concepts about all human organism systems functionning are stated. It is natural, that because of material statement brevity due to very much lectures amount, they can not give the complete answer to numerous questions, which can appear at their reading, all the more so there is no illustrative material in them. However, from our point of view, these lectures can be good addition to the existing textbooks and manuals. All the more so we read lectures from a position of clinical physiology, and not just from those classical performances about physiology, which are stated in the bulk o...