abstract background biology blood blood cells body carbon dioxide cell count circulation concept corpuscle design disease erythrocyte fill graphic haemoglobin health hemoglobin illness iron macrocyte medicine megaloblast megalocyte microscopic New original oxygen platelets red red blood cells render science sickness style texture transfusion unique vector ancient antique artistic backdrop beige blank border brown canvas color creation decorative detail dirty frame grunge illustration image old paper parchment retro scrapbooking sepia space spin stained swirl torn vintage wallpaper white anniversary art beautiful birthday card celebration collage colour decoration dez pain feminine gradient greeting heart hi res love mothers day pattern pink romantic shape symbol valentines day xymonau beauty blue bright burst dramatic floral impressionism nature paint pastel pretty purple spectacular spring vignette black brass brink circle clock clockwork countdown dial eternity face furnishing hands hours household infinity isolated metallic midnight minute hand New Year orange out of time rounded square tick time timepiece twelve wall clock watch christmas decorate Easter elegant embossed fancy foil giftwrap glossy golden green metal ornate present pressed prestige quality rainbow rich season shiny wrapping xmas swirly