Functions and Divisions

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Presentation transcript:

Functions and Divisions Nervous System Functions and Divisions

Functions

Divisions

Neuroglia-helper cells Astrocytes-support and anchor to capillaries Microglial cells-clean up (injured or invader) Ependymal cells-circulate CSF Oligodendrocytes-produce myelin sheath

In the front door and then away

Neuron

Myelin Sheath

Classification of Neurons functional

https://www. youtube. com/watch https://www.youtube.com/watch?v=dSkxlpNs3tU&list=PL1dbQrQxqDjFKrPLgeMzRbLrulHIc39ck&index=6

Transmission of nerve impulse Polarization of the neuron's membrane: Sodium is on the outside, and potassium is on the inside. (at rest) Action potential: Sodium ions move inside the membrane (when stimuli is received) Repolarization: Potassium ions move outside, and sodium ions stay inside the membrane.

Neurotransmitters

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