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The Brain’s Road & Postal System
Neurons: the amazing brain cell:
Our brain is made up of lots of cells called neurons.
Neurons are shaped a bit like a tree, with a main trunk (the axon) and
branches (called dendrites).
Neural Firing: the brain’s postal system
Whenever we think, do or say anything, neurons pass
information to each other through an electrical signal.
It’s a bit like a letter in the post – information starts in one
place and travels to another.
When a neuron fires an electrical signal, it travels down the trunk of the neuron and releases
special brain chemicals.
These brain chemicals and the ‘branches’ of the neuron help the signal to travel across a gap
(called the synapse) to the next neuron.
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