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.
 Glutathione ( GSH ) synthetase activities and GSH turnover rates were examined during severe oxidative stress in the mouse brain as induced by t - butylhydroperoxide ( t - BuOOH ) .
A:
brain