Ключевые слова: ability, afraid, biology, body, bone, bones, boy, care, caucasian, child, childhood, classroom, development, equipment, face, fear, friend, generation, hand, head, hugging, human, indoor, innovative, joy, kid, knowledge, lab, laboratory, learner, leisure, lesson, male, medical, people, portrait, progressive, pupil, school, schoolboy, science, scientist, scream, skeleton, student, study,