Ключевые слова: atmosphere, attention, background, biology, busy, classmate, classroom, comfort, convenient, curiosity, desk, device, discuss, dummy, explain, eyesight, female, focus, girl, glance, health care, heart, illustration, interactive, interest, investigation, layout, learn, lesson, light, look, medical, microscope, modern, notebook, organ, physiology, pupil, retinal, room, round, school, schoolgirls, science, sight, sit, study, teenager, volume, young,