Ключевые слова: awareness, backdrop, background, blood, blood donor, cardiograph, care, charity, day, donate, donation, donor, drip, drop, emergency, give, health, healthcare, heart, help, helping, hemophilia, hospital, humanitarian, international, laboratory, life, lifesaving, medical, medicine, people, plasma, save, save life, surgery, transfuse, transfusion, treatment, wallpaper, white blood cells, world, worldwide,