Ключевые слова: 14, awareness, background, balls, blood, care, center, charity, clinic, color, composition, concept, date, day, doctor, donate, donation, donor, flat, give, grip, health, heart, hearts, heartshaped, help, june, lay, life, medical, medicine, object, pack, patient, red, save, saving, service, shape, test, text, top, transfusion, treatment, tubes, venous, view, voluntary, volunteering, world,