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': 'Renin is secreted by : \nSelect and explain. \nA. PCT, B. DCT, C. Collecting duct, D. Juxatglomerular apparatus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Juxta glomerular apparatusRenin is secreted by JG cells of Juxta glomerular (JG) apparatusQ.', 'role': 'assistant'}]