This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Anatomy
[{'content': 'Cords of Billroth in spleen are found in \nSelect and explain. \nA. Mantle zone, B. Trabecular zone, C. Red pulp, D. White pulp', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 75% of spleen is red pulp, predominantly having RBCs. 25% of spleen is white pulp, predominantly having WBCs Red pulp contains sinusoids which are filled with RBCs & blood and splenic cords of billroth White pulp contains lymphoid follicles &periaerial lymphatic sheath.', 'role': 'assistant'}]