This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Eye, Nose and Ear, Subject name: Anatomy
[{'content': 'Aqueous humor is produced by the \nSelect and explain. \nA. Choroid plexus, B. Trabecular meshwork, C. Ciliary processes, D. Vitreous body', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Aqueous humor is produced by the ciliary processes of the ciliary body. It flows from the posterior chamber, through the pupil, into the anterior chamber, and finally to the canal of Schlemm, which empties into the extraocular/episcleral veins.', 'role': 'assistant'}]