This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
Mechanism by which water is reabsorbed from proximal convolved tubule is 
Select and explain. 
A. Active transpo, B. Passive transpo, C. Facilitated diffusion, D. Osmosis
D: Osmosis
Answer: D: Osmosis 
Explanation: Water is reabsorbed from PCT by osmosis. Ref: Ganong's review of medical physiology; 24th edition; page no: 685