Describe the functions of the three main regions of the brain

The three main functions of brain are cerebrum , cerebellum , brainstem

it takes hundreds of years to become stable.

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phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.