Nervous System

Nervous System - Nervous System Functions 1. Controls and...

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Nervous System
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Functions 1. Controls and coordinates functions in the body. 2. Helps the body respond to internal and external environment.
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Central Nervous System Spinal Cord and the Brain 1. Analyzes information 2. Processes information 3. Relays information
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Supporting Structures Meninges: three layers of connective tissues that wraps around the brain.
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Meninges Cross-section of skull and the Meninges
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Cerebrospinal Fluid Fluid around the brains that acts as a shock absorber.
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Brain 1. Receives external and internal stimuli. 2. Sends out responses to the stimuli so the body can respond.
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Peripheral NS All the nerves and associated cells that are not part of the brain or spinal cord.
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Two Divisions 1. Sensory : Transmits impulses from sense organs to the CNS. 2. Motor : Transmits impulses from CNS to muscles.
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Neuron Cells that carry electrical impulses throughout the body that are used as messages for response.
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Types of Neurons Sensory: Cells that take messages from
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Nervous System - Nervous System Functions 1. Controls and...

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