https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990829Edit ImageSaveSaveEditCropCustom TextDiagram showing balls representing different stages of consciousnessOriginal public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 895 px | 300 dpiLarge JPEG 3500 x 2610 px | 300 dpiBest Quality JPEG 4924 x 3672 px | 300 dpiFree DownloadDiagram showing balls representing different stages of consciousnessMore