The Nervous System

• This amazing system is a vast network of fibres which enables the brain to communicate with the body's organs and systems

• Billions of electrical and chemical signals are transmitted around this network both to and from the brain.

• The system is split into central nerves and peripheral nerves.

• Together they form a network that spreads around the entire body.

• The central system is made up of the brain and spinal cord.

• The nerve fibres that branch out from the central nerves form the peripheral system.

• The peripheral nerves send information back to the central nerves for processing.

• Some nerves in the peripheral system are grouped together to keep close control over vital organs and functions.

Click here for 8 superb downloadable human body system diagrams!

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