This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Hyaluronic acid - mucopolysaccharide is present in \nSelect and explain. \nA. Cornea, B. Mast cell, C. Vitreous humor, D. Dermis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Vitreous humor', 'role': 'assistant'}]