| Term 
 
        | The nervous system is one of the two main ____. |  | Definition 
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        | What is the nervous system made up of? |  | Definition 
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        | In what form do neurons carry messages? |  | Definition 
 
        | Electrochemical impulses through the body |  | 
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        | What are the 2 main divisions of the nervous system? |  | Definition 
 
        | Central Nervous System (CNS) and Peripheral Nervous System (PNS) |  | 
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        | What does the central nervous system consist of? |  | Definition 
 
        | the brain and spinal cord |  | 
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        | All higher functions of the nervous system are the responsibility of which nervous system? |  | Definition 
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        | All basic functions of the nervous system are the responsibility of which nervous system? |  | Definition 
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        | What three membranes protect the brain and spinalcord? |  | Definition 
 
        | the dura mater (outermost) the arachnoid (middle)
 the pia mater (innermost)
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        | What is another name for brain membranes? |  | Definition 
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        | What structure is the brain protected by?  What structure is the spinal cord protected by? |  | Definition 
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        | What percent ofthe horse's body weight consists of the brain? |  | Definition 
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        | What are the three primary segments of the brain? |  | Definition 
 
        | hind brain, midbrain, fore-brain |  | 
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        | What is the hind brain AKA and what does it consist of? |  | Definition 
 
        | Brain stem; pons & cerbellum |  | 
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        | What is the purpose of the brain stem? |  | Definition 
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        | What does the cerebellum control? |  | Definition 
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        | What is the pons related to? |  | Definition 
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        | What is the midbrain responsible for? |  | Definition 
 
        | sight, smell, and control of hind brain activity (i.e. voluntary control of breathing) |  | 
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        | What does the fore brain contain? |  | Definition 
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        | How long is the spinal cord? |  | Definition 
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        | How many pairs of spinal nerves connect the spinal cord to the peripheral nerves? |  | Definition 
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        | What does the peripheral system consist of? |  | Definition 
 
        | All of the nerves in the body |  | 
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        | What is the autonomic nervous system divided into? |  | Definition 
 
        | The sympathetic and parasympathetic nervous systems |  | 
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        | What are the sympathetic and parasympathetic nervous systems responsible for? |  | Definition 
 
        | Regulation of involuntary activity. |  | 
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        | How are individual neurons limited? |  | Definition 
 
        | They can only conduct impulses in one direction. |  | 
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 | Definition 
 
        | A gap between one neuron and another. |  | 
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        | How is nervous tissue classified as? |  | Definition 
 
        | Either white or gray matter. |  | 
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        | Bunches of nerve tissues. |  | 
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