The Brain

Part I of Essay
The human body is divided into many different parts called organs. All of the part are controlled by an organ called , which is located in the head. weighs about 3 pounds, and has a whitish-pink appearance. is separated into 3 part, the cerebrum, the cerebellum, and s ....

Part II of Essay
.... theses hemispheres are divided into 4 regions names as the bone of the skull that lies above it. The outer layer of the cerebrum is called the cortex. The cortex is mainly made up of nerve cell fibres. The cerebrum cortex is folded into a surface with many ridges and grooves. This folding greatly increases the surface area of the cortex and the number of nerve cells it contains within the limited space of the skull. The largest portion of the cortex is the association brain cortex. Every region of has areas of association cortex that ....