Ключевые слова: agglutination, analyzing, aquarelle, background, biology, blood, blood group, blood type, cell, chemistry, clinical, concept, doctor, donation, drawing, drop, droplet, dropper, experiment, expertise, glove, gouache, group, hand, hands, health, healthcare, hospital, human, immunology, lab, laboratory, medical, medicine, no one, paint, people, professional, red, research, sample, science, shah, spotted, test, whole,