Summary The structure and functions of neurons

newmen structure a function
A
neuron is the basic building Dendrite
block of the nervous system. They cell X
Axon Terminal
ivoce mainvie
↓
are nerve cells that process and boa of
transmitmessages
.



through electrical
↓

in
and chemical signals.
Nucleus sheath

SENSORYNEURON
C
Sensory neurons are found in receptors
skin etc. and
Receptor
A cell




exon-year
such as
eyes, ears, tongue,
carry nerve impulses to the spinal chord
andthe brain.
When these impulses reach the brain,

theyaretranslatedintosensationssuch




was
However, not all
sensory neurons reach the
brain, as some stop at the spinal chord for
·




quick reflex actions.



RELAY NELRON e
Relay neurons are found between the
output/response.
-




and
Sensory input the motor



presprapte
They
are found in the brain andthe spinal cord

andallowsensory
and motor neuronsone
W




MOTOR -
NEURON -
pendrites


sociation
motor neurons found in the cis




and
are

control muscle movements.When Motor

neurons are stimulated, they release
bind to the
neurotransmitters that receptors
on muscles to trigger the response of
movement.




/I



Biopsych #2