Ключевые слова: allergy, alphabet, antibodies, apples, autoimmune, background, banana, body, c, care, concept, cube, defense, disease, doctor, fresh, fruits, health, healthcare, human, illness, immune, immunity, immunization, immunology, kitchen, lemon, medical, medicine, orange, pear, protection, science, selective focus, system, text, therapy, typography, vitamin, white, wood, wooden, word,