The cortex is only 1.5 to 4.5 millimeters thick Yet the total cortical area is about 0.2 square meters. This is achieved due to the fact that its surface is extremely sinuous. Hence, incidentally, the name "crinkles" of the brain. Despite its thinness, the cortex is the key department of the higher nervous system, which is responsible for functioning of the organism as a whole✔️ Our NFT channel