PRIMARY SCHOOL THIRD GRADE STUDENTS' ACQUAINTANCE WITH HUMAN BODY ORGAN SYSTEMS

In 2022, general programmes were updated, therefore, we had a goal – “to test” some of the topics world cognition textbook being prepared for grade 3 (YES series) in real class third graders, to make sure what content is suitable, and needs be corrected, excluded or supplemented, so that these also correspond age students, new science education programme primary school. Two lessons organised 3rd thereafter, they analysed discussed. By observing analysing students’ activities, methods, ways working, results achieved, it possible identify whether appropriate children this age, difficulties can experienced etc. The studied about digestive circulatory systems was interesting engaging graders. students created model system faster than expected. Visual materials, teacher’s explanation, creation continuous information exchange creating it, allowed memorize understand food pathway. It not difficult meaning system, name made up of, describe functions organs. Creating heart’s work motivated involved however, when faced with difficulties, disappointed. Therefore, textbook, series), idea arose adjust description heart action model, little simpler provide more detailed advice book. All observations discoveries are significant improving on systems. On other hand, research practical activities necessarily successful, sometimes have repeated. Each failure develops patience diligence necessary qualities researcher parts cognitive competence ability learn, problem solving. Keywords: creation, school lesson,