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List the two subdivisions of the peripheral nervous system:
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1. Autonomic Nervous System2. Somatic Nervous System
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What does the Autonomic Nervous System govern?
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Governs involuntary, subconscious activities to keep the body functioning properly
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The Autonomic Nervous System has two parts that generally produce opposite effects on the muscles or glands they control, what are those 2 parts?
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1. Sympathetic Nervous System (fight or flight)2. Parasympathetic Nervous System (resting time)
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Which nervous system do the ganglia make up?
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Peripheral nervous system
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What three features protect the brain and spinal cord?
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1. Bony cases of the skull and vertebral column2. membranes (meninges)3. and by a fluid cushion (cerebrospinal fluid)
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The meninges are three protective layers of connective tissue that cover the brain and spinal cord. Bacteria and viruses can cause inflammation of the meninges, resulting in what condition?
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Meningitis
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What is the function of the cerebrospinal fluid?
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Located between the layers of the meninges, and serves as a shock absorber for the brain, supports it and provides nourishment to and removes waste from the brain
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The ______ - _______ barrier is a filter that allows only certain substances to enter the cerebrospinal fluid from the blood, protecting the brain and spinal cord from many damaging substances.
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Blood-brain
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The ___________ serves as the body's central command center, coordinating and regulating the body's other systems.
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Brain
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The __________ is the thinking, conscious part of the brain. Consists of two hemispheres.
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Cerebrum
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Each hemisphere receives sensory impression from and directs the movements of the ___________side of the body.
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Opposite
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The cerebrum has an outer layer of gray matter called the _________ _________ and an underlying of white matter consisting of ________ nerve tracts that allow communication between various regions of the brain..
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Cerebral cortex ------ myelinated
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The cerebral cortex has 3 types of functional areas:
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1. sensory2. motor 3. association
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The _______ is the relay station for all sensory experience except for smell.
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Thalamus
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The __________ is essential in maintaining a stable environment within the body. It regulates many of the bodies vital functions, coordinates the activities of the nervous and endocrine system and is a center for emotions.
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Hypothalamus
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