Ключевые слова: 14, abstract, aid, anemia, april, artery, awareness, background, banner, blood, cancer, cardiovascular, cell, charity, circulation, coagulation, concept, cut, day, deficiency, design, donation, donor, drop, erythrocyte, health, heart, hematology, hemoglobin, hemophilia, hospital, icon, illustration, iron, june, leukemia, life, medical, medicine, paper, papercut, plasma, poster, red, template, treatment, vein, world,