This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Physiology
Lens derives nutrition from 
Select and explain. 
A. Vitreous, B. Aqueous, C. Optic aery, D. Ophthalmic aery
B: Aqueous
Answer: B: Aqueous 
Explanation: Lens being an avascular structure receives its nutrition from the aqueous like glucose salts, etc, by diffusion processRef: Parsons diseases of the eye; Under the heading lens