Ключевые слова: adenoids, anatomical, anatomy, appendix, axillary lymph nodes, biology, body, bone marrow, care, defense, design, diagram, disease, education, graphic, health, health care, healthy, human, illustration, immune, immune system, immunity, immunology, infection, inguinal lymph nodes, isolated, medical, medicine, organ, organism, peyers patch, reaction, science, scientific, spleen, structure, system, thymus, tonsils, virus,