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Cð6s ok
Neurones (nerve cells) transmit or send information
as very fast electrical impulses (messages) around the
body Their effect lasts for a very short time
...
synapse
The electrical impulses pass along the axon
...
1
...
The sheath also speeds up the impulse by allowing the impulse to be carried faster
...
Neurones are long which speeds up the impulse
...
S na ses
...
neurones —
The nerve impulse is transmitted across the
synapseby chemicals called
neurotransmitters
...
The neurotransmitters diffuse (spread) across the synapse to set off a new electrical impulse in the
next neurone
...
scalled sensory, motor and relay neurones
...
They have
these carry nerve impulses from •theCNS to
Motor neurons —
dendrons
effectors (muscles and glands)
...
these carry nerve impulses from sensory neurones
Relay neurones —
to motor neurones
...
dendron
axon