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