291796
Description
Mind Map by lynda_ashford_25, updated more than 1 year ago
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Created by lynda_ashford_25
about 11 years ago
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Nervous System
- Central Nervous System-
brain and spinal cord
- Spinal cord- within
the spinal column
that communicates
with all sensory
organs and muscles
- Dorsal roots-
enter the
spinal cord,
carrying
sensory
information
- at the back,
away from the
stomach
- Dorsal root ganglia- the cell body
of the sensory neurons are in
clusters of neurons outside the
spinal cord
- at the back,
away from the
stomach
- Ventral roots-
exit the spinal
cord, carrying
motor
information
- at the front,
towards the
stomach
- at the front,
towards the
stomach
- Dorsal roots-
enter the
spinal cord,
carrying
sensory
information
- Spinal cord- within
the spinal column
that communicates
with all sensory
organs and muscles
- Peripheral Nervous System-
connects the CNS to the rest of the
body
- Somatic Nervous
System- consists of
the axons conveying
messages from the
sensory organs to
the CNS and from
the muscles to the
CNS
- Autonomic Nervous
System- controls the
heart, intestines, and
other organs.
Prepares the body for
vigorous activity.
Consists of gnaglia
just to the left and
right of the spinal
cords central regions.
- Sympathetic
Nervous System-
prepares organs
for 'flight or fight'.
- increased
breathing and heart
rate, decreased
digestive activity
- increased
breathing and heart
rate, decreased
digestive activity
- Parasympathetic
Nervous System-
restores organs to
nonemergancy
status
- decreased heart
rate and
breathing,
increases
digestive activity
- decreased heart
rate and
breathing,
increases
digestive activity
- Sympathetic
Nervous System-
prepares organs
for 'flight or fight'.
- Somatic Nervous
System- consists of
the axons conveying
messages from the
sensory organs to
the CNS and from
the muscles to the
CNS
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