Ключевые слова: background, biology, biracial, blood, blood donation, care, caucasian, caucasian man, charity, clinic, copy, copy space, disease, doctor, donate, donation, drop, giving, grey, grey background, hand, health, healthcare, healthy, hospital, human, illness, laboratory, liquid, male, man, medical, medicine, mid adult, multiracial, patient, people, professional, science, space, treatment, two people, virus, white,