Ключевые слова: adult, alone, anatomy, background, biology, black, body, bone, boy, brain, business, businessman, caucasian, education, emotion, expression, face, geek, genetic, gesture, grey, guy, hair, handsome, happy, head, health, health care, human, image, jaw, knowledge, lesson, looking, male, man, medical, medicine, millennial, model, person, portrait, science, scientific, skeleton, skull, studio, study, worker, young,