Regularities of socially significant functions formation in pupils

The article focused on the results of carried out research of the functional state of the pupils’ organism in a process of edu?cational activity. It has been shown that formative influence of activity is manifested on the different levels of develop?ment of socially important functions: the actual developmental zone (priority development of indicators, which have the main significance in the activity) and the proximal developmental zone (tendency of activation of the key functions).