Q: In this task, you will be given sentences in which your task is to recognize the name of the organ of the body. An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function. Although there might be several correct answers, you need to write one of them.
 In the present study , we investigated a role for ceramide in radiocontrast media - induced apoptosis in renal tubular cells .
A:
renal