The cerebellum is generally known as the "little brain". It is located under the rear end
cerebral hemispheres, attached to the brain stem. It has a major part in the control
of movements, however, the complex mechanisms are mostly unclear.
For further information on the cerebellum follow the link.
Bibliography:
Blakemore, Colin; Jennet, Shelia. "cerebellum." The Oxford Companion to the Body. 2001. Encyclopedia.com. 06 Oct. 2013 <http://www.encyclopedia.com>.