Answer:
Nucleus
Step-by-step explanation:
Nucleus is cell organelle whose function resembles function of brain in higher animals.
Nucleus is the largest cell organelle. It is comprised of dense structure called Nucleolus and is surrounded by Nuclear Envelope.
It stores cell's hereditary material which is DNA and coordinates cell's activities like growth, protein synthesis, reproduction and intermediary metabolism just like brain which controls almost all the activities in the body of higher animals.