Ключевые слова: abstract, anatomy, background, biological, black, blackboard, body, bone, braincase, chalk, chalkboard, concept, cranium, danger, dead, death, design, draw, dreadful, education, fear, glossy, gothic, halloween, hand drawn, healthcare, horrible, horror, human, icon, idea, illustration, medical, music, presentation, research, rock, scanning, science, shape, sign, skeleton, sketch, skull, spooky, symbol, teeth, template, terrify, texture, wallpaper, warning, web,