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
Renin is secreted by : 
Select and explain. 
A. PCT, B. DCT, C. Collecting duct, D. Juxatglomerular apparatus
D: Juxatglomerular apparatus
Answer: D: Juxatglomerular apparatus 
Explanation: D i.e. Juxta glomerular apparatusRenin is secreted by JG cells of Juxta glomerular (JG) apparatusQ.