Head, neck, shoulder and chest of a dissected male écorché, with arteries and blood vessels indicated in red. Coloured… https://www.rawpixel.com/image/13965602/image-cartoon-face-personFree Image from public domain licenseThe dissected neck, chest and shoulder of a man: the skin being held back with a surgical instrument to reveal the muscles… https://www.rawpixel.com/image/13994075/image-paper-face-personFree Image from public domain license