Ключевые слова: adult, anatomy, attractive, background, cancer, casual, caucasian, check, color, design, disease, education, endocrine, endocrinologist, fashion, function, gland, gradient, health, hormone, illustration, isolated, larynx, lifestyle, male, man, medical, model, neck, one, organ, pain, people, person, portrait, red, science, secretion, section, shirt, sign, sore, spots, standing, symbol, throat, thyroid, trachea, treatment, young,