Ключевые слова: adult, aid, anemia, arm, bag, blood, care, clinic, closeup, donate, donation, donor, expertise, female, fill, give, giving, hand, healing, health, hispanic, hospital, indoors, injecting, injection, lying, male, medical, medicine, needle, nurse, patient, pipe, process, red, science, station, sterile, surgical, syringe, transfused, transfusion, treatment, tube, vein, voluntary, volunteer, woman, young,