intricate anatomical heart - black & white, high-contrast medical diagram with detailed veins and arteries

calligraphy monochrome cartoon drawing pattern artwork sketch circle organ brand font line text logo head art anatomical heart black white high contrast detailed veins arteries medical diagram stark silhouette intricate work biological accuracy graphic design style vector art minimalist aesthetic monochromatic bold shapes scientific cardiovascular system organic branching patterns symbolic representation clean edges textured interior educational visual stylized realism anatomy heart drawing vascular design anatomy human white veins artistic silhouette realistic