nervous system
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GRADE 6POWER POINT PRESENTATION
Gaudete Study Center, Inc.1st Quarter topicUnit 2Lesson 1
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Good morning &Listen carefully
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NERVOUS SYSTEM
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Role of the nervous system It is the most complicated part and
highly organized system in the human body.
Nervous system is divided into 2 parts.
CNS PNS
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Parts of a neuron
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Stimulus & Response
Stimulus – agent factor that provokes interest, enthusiasm, or excitement.
Response – reaction of an organism.
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Stimulus and response
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What is your response?
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What is your response?
We will going to …
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3 types of neurons
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Sensory neuron – (skin, eyes, nose, ears & tongue)
Interneuron – (brain & spinal cord)
Motor neuron – (muscles & glands)
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synapse The tiny of
microscopic space between two neurons is called synapse
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Glial cells Specialized
cells These cells
serve as supportive, nutritive, and service facility cells for neurons so that they can function well.
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Node of Ranvier
The gap within a myelinated sheath axon is called…
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