Ключевые слова: advice, anatomy, awareness, background, blackboard, body, chalk, chalkboard, class, closeup, concept, diseases, drawing, education, female, gender, growth, health, healthcare, human, information, kid, knowledge, learn, learning, lesson, male, object, orientation, pair, protection, relationship, school, sex, sex ed, sex education, sexual, sexuality, sexually, student, study, studying, symbolic, symbols, teacher, teaching, text, topic, woman, written,