Ключевые слова: anatomy, april, artery, awareness, banner, biology, bleed, blood, care, circulation, clot, clotting, coagulation, concept, day, diagnosis, disease, disorder, drop, factor, genetic, graphic, health, healthcare, hemephilic, hemophilia, hemophiliac, hospital, human, icon, illness, illustration, leukemia, leukemic, medical, medicine, plasma, platelet, poster, red, science, sign, support, symbol, treatment, vein, white, world,