This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Physiology
[{'content': 'In Fetal Life RBC are produced in all except \nSelect and explain. \nA. Liver, B. Lymph node, C. Spleen, D. Bone marrow', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In fetal life, RBC is produced in 3 phases according to growth of foetusMesoblastic stage: In yolk sacHepatic stage: In Liver and spleenMyeloid phase: In bone marrowRef: Medical Physiology Indu Khurana 2015 edition page No:104', 'role': 'assistant'}]