Ключевые слова: adult, aid, arm, assistance, background, blood, care, charity, clinic, composition, concept, donate, donation, donor, drop, emergency, flat, give, giving, gray, health, healthcare, heart, help, hematology, hospital, laboratory, life, love, medical, medicine, patient, person, red, rescue, save, science, service, set, sign, supply, support, symbol, text, top, transfusion, volunteer,