https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14000162Edit ImageSaveSaveEditCropCustom TextAn introduction to human physiology / by Augustus D. Waller.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 631 px | 300 dpiLarge JPEG 1872 x 984 px | 300 dpiFree DownloadAn introduction to human physiology / by Augustus D. Waller.More