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Transcript

Nervous System

PRESENTATION

Main parts of the brain

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The nervous system is a complex network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body. The proper functioning of these nerves ensures that each organ system, such as the cardiovascular, gastrointestinal, and immune systems, can adequately communicate with one another.

Introduction to the central nervous system

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  • It includes the Central Nervous System (CNS) and the Peripheral Nervous System (PNS)
  • The CNS is made up of the brain and spinal cord
  • The PNS is made up of the somatic and autonomic nervous systems

Nervous system

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  • Three layers of protective covering called meninges surround the brain and the spinal cord.
  • The outermost layer, the dura mater, is thick and tough
  • In the middle, the arachnoid mater is a thin, weblike layer of connective tissue
  • The innermost layer, the pia mater is a thin membrane

Brain Coverings: Meninges

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  • They are the basic unit of the nervous sytem
  • It's a conductor that send and receive electrochemical nerve impulses between the brain and the rest of the nervous system
  • A neuron consists of a cell body, dendrite, and axon

Neurons

NervousSystem

Time to rack your brains !

Start

Quiz

Question 1/5

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Question 4/5

Question 5/5

Thanks!

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  • Visit the Analytics settings;
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