The Nervous system
Central Nervous
a Peripheral
Nervous system
system CNS PNS
compose of consists of all
the the rest it is
brain
composed of
spinal cord Nerves
Whichare a gtanglia
enclosed and A nerve is
protected a bundle
by
the Of
heTfibers
cranium and Wrapped
axons
vertebralcolumn in fibrous
connective
tissue
responsible
for nerves emerge
processing frontheens
information through foramina of
the skull and
vertebral
column and
carry
signals to and
Other organs from
of the
body
A ganglion
plural
ganglia is a knot like
swelling in a nerve
where the cell
bodies
of peripheral
are neurons
connected
, Sensory afferent
division
Motor efferent
division
Peripheral Nervous System
divided into t
sensory Motor
division division
afferent efferent
bringinginformation bringing information
towards to the out of
the Central
Central nervous nervous system
system
T Carries signals from O carries
signals from the
avious receptors CNS
sense mainly to gland and muscle
organs and simple nerve cells that
carry out the
ndings to the ens vesponses bodyy
this Cells and organs that
pathway informs the ens respond to these
called effectorssignals
are
of Stimuli within and around
the body
,Viceral
It somatic
Is Somatic
motor
sensory motor division
sensory division division
division voluntary
Voluntaryand part you I can do
m aware are not this move
consious level aware of because I want
you know about to
stuffs you are and
you areable motor division
not that is I chooseto send
thinkingabout of the a signal
not Just giving body telling you
into from viceroy sensory into body to voluntary
your coming from do stuff mostly
got muscles skeletal
butits all about withouts muscles
carries
internal condition signal knowing DD carries
from receptors
am the skin the signals to
all muscles mostly is skeletal mushes
the
sensoryinfo man about long
this produles
muscle voluntary
Carries contractions
signals 80Autonomic away
automatic reflexes
mainly from the nervous
Viscera of ANS system
thoracic the
and abdominal carries
cavities
such as the Glands signal to
heart cardiac
lungs stomach muscle and
and must we smooth
urinary bladder no usually nay
voluntary
over
these control
the ANS effectorsand
an operates
unconscious at
The level
responses
ANS and of the
are its
visceraleffectors
The ANS
hasreflexes
two
further
divisions
Sympathetic
Pardsympathetic
division
division
astends to arouse the
body for action for tends to have a
example
by accelerating calming effect
, y g g at
the heartbeat and slowing the
increasing
respiratory heartbeat for
airflow but it example bo it
inhibits it stimulates
digestion digestion
inhibits to prevent
Or hold
stimulated to
back excite to
from
doing
something activity
Opposite of
fight or flight sympatetic
response
Stress
Shortterm
critilal stress
when
running
fromthe
lion
ingeses decreases
hegg
elevate
respiration
decreases
dictates respiration
bronchial
tubes wren
meal
big
youfeel
sleepy
How Does the Nervous
System work
Sensory Afferent neurons
are specialize to detect stimuli such as
light heatpressure and chemicals and
tans mit information about
them to the
CNS Such neurons
begin in almost
every organ of the
body and end in the CNS's The
Central Nervous
a Peripheral
Nervous system
system CNS PNS
compose of consists of all
the the rest it is
brain
composed of
spinal cord Nerves
Whichare a gtanglia
enclosed and A nerve is
protected a bundle
by
the Of
heTfibers
cranium and Wrapped
axons
vertebralcolumn in fibrous
connective
tissue
responsible
for nerves emerge
processing frontheens
information through foramina of
the skull and
vertebral
column and
carry
signals to and
Other organs from
of the
body
A ganglion
plural
ganglia is a knot like
swelling in a nerve
where the cell
bodies
of peripheral
are neurons
connected
, Sensory afferent
division
Motor efferent
division
Peripheral Nervous System
divided into t
sensory Motor
division division
afferent efferent
bringinginformation bringing information
towards to the out of
the Central
Central nervous nervous system
system
T Carries signals from O carries
signals from the
avious receptors CNS
sense mainly to gland and muscle
organs and simple nerve cells that
carry out the
ndings to the ens vesponses bodyy
this Cells and organs that
pathway informs the ens respond to these
called effectorssignals
are
of Stimuli within and around
the body
,Viceral
It somatic
Is Somatic
motor
sensory motor division
sensory division division
division voluntary
Voluntaryand part you I can do
m aware are not this move
consious level aware of because I want
you know about to
stuffs you are and
you areable motor division
not that is I chooseto send
thinkingabout of the a signal
not Just giving body telling you
into from viceroy sensory into body to voluntary
your coming from do stuff mostly
got muscles skeletal
butits all about withouts muscles
carries
internal condition signal knowing DD carries
from receptors
am the skin the signals to
all muscles mostly is skeletal mushes
the
sensoryinfo man about long
this produles
muscle voluntary
Carries contractions
signals 80Autonomic away
automatic reflexes
mainly from the nervous
Viscera of ANS system
thoracic the
and abdominal carries
cavities
such as the Glands signal to
heart cardiac
lungs stomach muscle and
and must we smooth
urinary bladder no usually nay
voluntary
over
these control
the ANS effectorsand
an operates
unconscious at
The level
responses
ANS and of the
are its
visceraleffectors
The ANS
hasreflexes
two
further
divisions
Sympathetic
Pardsympathetic
division
division
astends to arouse the
body for action for tends to have a
example
by accelerating calming effect
, y g g at
the heartbeat and slowing the
increasing
respiratory heartbeat for
airflow but it example bo it
inhibits it stimulates
digestion digestion
inhibits to prevent
Or hold
stimulated to
back excite to
from
doing
something activity
Opposite of
fight or flight sympatetic
response
Stress
Shortterm
critilal stress
when
running
fromthe
lion
ingeses decreases
hegg
elevate
respiration
decreases
dictates respiration
bronchial
tubes wren
meal
big
youfeel
sleepy
How Does the Nervous
System work
Sensory Afferent neurons
are specialize to detect stimuli such as
light heatpressure and chemicals and
tans mit information about
them to the
CNS Such neurons
begin in almost
every organ of the
body and end in the CNS's The
