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= The Brain has three parts there is the Cerebrum, the Cerebellum, and the Brain stem   == = Regions of the human brain = There is three part of a humans brain. There are called Cerebrum, Cerebellum, and brain stem. The cerebrum, which simply means "brain" in Latin, is the non-technical term for the telencephalon, the largest part of the human brain -- also known as the cerebral hemispheres. It is the most recent part of the brain to evolve, and positioned on top of the more evolutionarily ancient portions of the brain, such as the brain stem.

Next is the Cerebellum. The cerebellum, Latin for "little brain", is a plum-sized portion of the brain located below the cerebral hemispheres and behind the brain stem. The cerebellum's main claim to fame is that it contains half the neurons of the brain despite being only 10% of its size. This is because its main constituents are tiny granule cells. Finally, The brain stem is the lowest part of the brain, and is a structural continuation of the [|spinal cord]. The brain stem is the oldest part of the brain, structurally analogous to parts of the brain found in all[|vertebrates], ostensibly even the very oldest vertebrates, such as the jawless fish Haikouichthys, whose fossils are dated to 530 million years ago. The brain stem includes the [|hindbrain] and the[|midbrain], two of the three major regions that the neural tube differentiates into during embryogenesis. The third region differentiates into the rest of the brain. This is one of the parts of the brains this part is the brain stem. The brain stem is the lowest part of the brain.

This part is the Cerebellum.