https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13993200Edit ImageSaveSaveEditCropCustom TextLung channel of hand taiyin, Chinese woodcut, 1817Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 766 x 1200 px | 300 dpiLarge JPEG 2005 x 3142 px | 300 dpiFree DownloadLung channel of hand taiyin, Chinese woodcut, 1817More