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Nervous system

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GRADE 6 POWER POINT PRESENTATION Gaudete Study Center, Inc. 1 st Quarter topic Unit 2 Lesson 1
Transcript
Page 1: Nervous system

GRADE 6POWER POINT PRESENTATION

Gaudete Study Center, Inc.1st Quarter topicUnit 2Lesson 1

Page 2: Nervous system

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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