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A list of terms regarding the nervous system.

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How the basal ganglia works and its functions.

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The brain is made up of very soft and delicate tissues. It is protected from injury by the cranium and layers of membranes called meninges. The brain consists of two layers. The outer layer is called the grey matter and the inner layer is called the white matter. The grey matter is made up of cell bodies of neurons while the white matter consists of nerve fibers..