https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988448Edit ImageSaveSaveEditCropCustom TextThe venous system, detail of an arterial trunk and the membranes of the trachea (windpipe). Engraving, 1686.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 690 x 1200 px | 300 dpiLarge JPEG 1181 x 2055 px | 300 dpiFree DownloadThe venous system, detail of an arterial trunk and the membranes of the trachea (windpipe). Engraving, 1686.More