| Term 
 | Definition 
 
        | Neurotransmitter chemical released at the end of nerves cells. |  | 
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        | Term 
 | Definition 
 
        | Carries messages TOWARD the brain and Spinal Cord. |  | 
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        | Term 
 | Definition 
 
        | Middle layer of three membrane that surround the brain and Spinal Cord. |  | 
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        | Term 
 | Definition 
 
        | Glial cell that transports water salts from capillaries. |  | 
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        | Term 
 | Definition 
 
        | Nerves that control involuntary body functions, muscles, glands, and internal organs. |  | 
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        | Term 
 | Definition 
 
        | Microscopic fiber that carries the neurons impulse along a nerve cell. |  | 
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        | Term 
 | Definition 
 
        | Protective separation between the blood and brain cells that keeps from penetrating capillary walls and entering the brain. |  | 
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        | Term 
 | Definition 
 
        | Collection of spinal nerves bellow the end of Spinal Cord. |  | 
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        | Term 
 | Definition 
 
        | The part of nerve cell that contains the nucleus. |  | 
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        | Term 
 
        | Central Nervous System (CNS) |  | Definition 
 
        | The Brain and Spinal Cord. |  | 
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        | Term 
 | Definition 
 
        | The portion part of the brain that coordinates muscle movements and maintain the balance. |  | 
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        | Term 
 | Definition 
 
        | Outer region of the cerebrum; contains sheets of nerves cells: gray matter. |  | 
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        | Term 
 | Definition 
 
        | Circulates throughout the brain and Spinal Cord. |  | 
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        | Term 
 | Definition 
 
        | The largest part of of the brain responsible for voluntary muscle activity, vision, speech, taste, hearing, thought, and memory. |  | 
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        | Term 
 | Definition 
 
        | Twelve (20) pairs: Carry messages to and from the brain with regard to the head and neck. (Except the vagus nerve) |  | 
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        | Term 
 | Definition 
 
        | Microscopic branching fiber of a nerve cell; the first part to receive the nervous impulse. |  | 
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        | Term 
 | Definition 
 
        | Posterior Portion of the brain that connects the cerebrum with the Spinal Cord. |  | 
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        | Term 
 | Definition 
 
        | The thick, outermost layer of the meninges surrounding and protecting the brain and Spinal Cord. |  | 
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        | Term 
 | Definition 
 
        | Carries messages AWAY from the brain and Spinal Cord: motor nerve. |  | 
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        | Term 
 | Definition 
 
        | Glial cell that lines the membranes within the brain and Spinal Cord; helps form Cerebrospinal fluid. |  | 
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        | Term 
 | Definition 
 
        | Collection of nerve bodies in Peripheral Nervous System. (PNS) |  | 
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