This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Middle piece of sperm tail made up of \nSelect and explain. \nA. Golgibody, B. Centriole, C. Mitochondria, D. Lysosome', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pa of axial filament which lies in middle piece is surrounded a spiral sheath made up of mitochondria Human embryology Tenth edition Pg no19', 'role': 'assistant'}]