pancreas with bouquet roses on chalkboard realistic hand-drawn icon of human internal organ and flower frame. sketch engraving

anatomical anatomy art back background biology black blackboard blossom board botanical botany card chalk chalkboard class dark decoration design draw drawing drawn engraving fashion flora floral flower graphic hand health hipster human illustration invitation isolated medical medicine old organ pancreas plant postviral rehabilitation retro rose school shirt sketch sketchy study style tattoo university vector victorian vintage wedding white