An écorché showing the second layer of muscles: front and back views. Coloured line engraving by J. Pass, 1796. https://www.rawpixel.com/image/13952439/image-cartoon-person-skeletonFree Image from public domain licenseAn écorché showing the third layer of muscles, with ligaments, cartilages and bones: front and back views with additional… https://www.rawpixel.com/image/13958160/image-cartoon-person-eyeFree Image from public domain license