Ключевые слова: amino acids, anatomical, anatomy, background, biology, blank, blood, body, cartoon, clip art, clipart, design, detoxification, drawing, education, empty, glucose, graphic, health, healthy, human, illustration, image, insulin, isolated, learn, learning, liver, living, medical, medicine, metabolism, microbiology, organ, pathology, people, person, physiological, physiology, picture, poster, science, template, vein,