terminology nervous system
TRANSCRIPT
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The Nervous System
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1.Autonomic Nervous
System2. Cerebrum
3. Central NervousSystem (CNS)
4. Cerebellum
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5. Cerebrospinal fluid
6. Hypothalamus7. Medulla oblongata
8. Meninges9. Midbrain
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10. Nerves
11. Nervous System12. Neuron
13. Parasympathetic14. Peripheral Nervous
system15. pons
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16. Somatic nervous
system17. Spinal cord
18. Sympathetic19. Thalamus
20. Ventricles
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21. ALS
22. MS23. CVA
24. CP25. “fight or flight”
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Autonomic Nervous
System
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Part of the peripheralnervous system. Controlsinvoluntary functions of thebody.
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The largest and highestsection of the brain responsible
for reasoning, thought, judgment, speech, sensation,sight, smell, hearing andvoluntary body movement.
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Central Nervous System
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Consists of the brain andspinal cord
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Cerebellum
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Responsible for musclecoordination, balance,posture, and muscle tone
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Cerebrospinal fluid
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Clear fluid that acts as ashock absorber to protectthe brain and spinal cord.
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Hypothalamus
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Regulates and controls theautonomic nervous system,temperature and appetite.
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Medulla Oblongota
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The lowest part of thebrainstem that regulatesrespiration, swallowing,coughing, and blood
pressure
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Meninges
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Three membranes thatcover and protect the brainand spinal cord.
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Midbrain
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Responsible for conductingimpulses between brainparts and for certain eyeand auditory reflexes.
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Nerves
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A combination of manynerve fibers located outsidethe brain and spinal cord.
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Nervous System
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A complex, highly organizedsystem that coordinates allthe activities of the body.
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Neuron
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Nerve Cell
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Parasympathetic
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A division of the autonomic
nervous system.Counteracts the actions ofthe sympathetic system.Slows heart rate, decreasesrespirations, lowers BP, and
increases activity indigestive tract.
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Peripheral NervousSystem
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Consists of the nerves andhas two divisions: somaticnervous system andautonomic nervous system.
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pons
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Responsible for conductingmessages to other parts ofthe brain for chewing,tasting, saliva production
and assisting withrespiration.
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Somatic NervousSystem
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Carries messages betweenthe CNS and the body
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Spinal Cord
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Continues down from themedulla oblongata and endsat the first or second lumbarvertebrae. Responsible for
carrying messages.
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Sympathetic
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Prepares the body for timesof emergency. Increasesheart rate, respiration, andblood pressure, and slows
activity in the digestive tract
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Thalamus
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Acts as a relay center anddirects sensory impulses to
the cerebrum
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Ventricles
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Hollow spaces that connectwith each other
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ALS
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Amyotrophic lateralsclerosis (Lou Gehrig’s
disease) a chronic,degenerative neuromuscular
disease
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MS
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Multiple Sclerosis. A
chronic, progressive
disabling condition
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CVA
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Cerebrovascular Accident.Occurs when the blood flow
to the brain is impaired.
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CP
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Cerebral Palsy.Disturbance in voluntary
muscle action and is causedby brain damage
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“fight or flight”
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What happens to your bodyduring the sympathetic
nervous system response toan emergency
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