Human Nervous and Sensory System

8/20/2019 Human Nervous and Sensory System

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HUMAN NERVOUS AND

SENSORY SYSTEMSTANDAR OF COMPETENCE

TO RELATE THE STRUCTURE AND

FUNCTION OF THE ORGAN SYSTEM IN

HUMAN AND VERTEBRATES TO THE

ENVIRONMENT, TECHNOLOGY ANDSOCIETY


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BASIC OF COMPETENCE

To describe of !e !"#$% %er&o"s s'se# $%d se%se

or($%s of !"#$% $%d !eir co%%ecio% )i! !e$*!

INDICATOR

+ To co#$re !e 'es of or($%s #$de " of

%er&o"s s'se#+ To describe !e f"%cio% of - br$i%, si%$* cord, $%d

%er&e ce** i% !e i%e(r$ed s'se#


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SPECIFIC INSTRUCTIONAL

./ Me%io% !e f"%cio% of %er&o"s s'se#0/ Me%io% !e $rs of %er&e ce** 1 %e"ro%es 2

3/ E4*$i% !e f"%cio% of $rs of %e"ro%es

5/ Me%io% !ree 'es of %e"ro%es b$sed o% is f"%cio%

6/ Me%io% !ree 'es of %e"ro%es b$sed o% $#o"% of

c'o*$s#ic br$%c! !$ co#e o" fro# bod' ce**

7/ Me%io% !e $rs of !"#$% %er&o"s s'se#

8/ E4*$i% !e f"%cio% of $rs of !e br$i%

9/ E4*$i% !e f"%cio% of !e si%$* cord


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COMPLETE THE CONCEPT BELOW

Ner&es Tiss"e

Co%sis of

Ne"ro% Ne"ro(*i$

P$r Of Ne"ro% Sr"c"re C$% be besed o% defere%e$ed

C'o*$s#icBr$%c! F"%cio% A4o% De%dri Ce**bod' N"c*e"s

U%io*$r Bio*$r M"*io*$r Se%sor' Moor I%er%e"ro%


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./ DENDRITES

0/ CELL BODY

3/ NUCLEUS

5/ A:ON

6/ MYELIN SHEAT

8/ NODE OF RANVIER

7/ SCH;ANN CELLS

NERVES CELL < NEURONES


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Sr"c"re of %e"ro% $%d !e direcio% of %er&e

#ess$(e r$%s#issio%


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NO/ PART OF NEURON FUNCTION

. DENDRITES

0 CELL BODY

3 NUCLEUS

5 A:ON

6 MYELIN SHEAT

7 SCH;ANN CELL

8 NODES OF RANVIER

Recei&es i%for#$io% fro# $%o!er ce** $%dr$%s#i !e #ess$(e o !e ce** bod'

Co%$i% !e %"c*e"s, #ioc!o%dri$ $%d

o!er or($%e**es

Co%ro* !e $ci&iies of !e ce**

Co%d"cs #ess$(es $)$' fro# !e ce** bod'

A *$'er of f$' s"bs$%ces !$ e%c*osed

so#e $4o%Ser&e $s s"ori&e, %"rii&e, $%d ser&ice

f$ci*iies for %e"ro%s

He* o seed " !e r$%s#issio% of

i#"*ses $*o%( !e fiber


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2. Motor neurons.Motor neuron has function transmit impulses from

central nervous system to muscle an !lans.

". The sensory nervesThe sensory nerves is the nerve cell has

function the transmit impulses from sense

or!ans or receptor to #rain an spinal cor.

$. %ntermeiate nerves cell

The %ntermeiate nerves cell has function as

connection #et&een sensory nerves cell an motor

nerves cell. 're foun only in the central nervous

system

The Neuron consists of $ types (


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Motor Neurone

)Efferent Neuron2-

= Motor neurons !$&e $ *o%( $4o% $%d s!orde%dries $%d r$%s#i #ess$(es fro# !e

ce%r$* %er&o"s s'se# o !e #"sc*es 1or

o (*$%ds2/


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*ensory Neurone

)'fferent Neuron2-

Se%sor' %e"ro%s 'ic$**' !$&e $ *o%( de%drie

$%d s!or $4o%, $%d c$rr' #ess$(es fro#

se%sor' receors o !e ce%r$* %er&o"s s'se#/

% t


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%nterneuron

)relay neurone+(

= I%er%e"ro%s $re fo"%d i% !e ce%r$* %er&o"s

s'se# )!ere !e' co%%ec %e"ro% o %e"ro%/


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H,M'N NE-E* */*TEM

NERVES

SYSTEM

Ce%r$* Ner&es

S'se# 1CNS2

Peri!er$* Ner&es

S'se# 1PNS2

Br$i%

Si%$* Cord

Cerebr"#

Cerebe**"#

Med"*$ Ob*o%($$

So#$ic

A"o%o#ic

Cr$%i$*

Si%$*

S'#$!eic

P$r$s'#$!eic


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Organisation of nervous system in humans


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Part Of Brain

B$(/ Ub"%>"b"%, "s$

berbic$r$, r$s$ di%(i%, $%$s,

s$?iB$(/ D$!i, "s$

beri?ir

B$(/ Be*$?$%( ?e$*$,"s$ e%(*i!$$%

B$(/ Pe*iis, "s$ berbic$r$,

e%de%($r$%Me%($"r si?$ d$% osisi "b"!,

?esei#b$%($% ?er@$ oo d$% r$%(?$,

#e($"r ?oordi%$si (er$?$% oo


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THE M'0O- B-'%N '-E'* 'N1 LOBE*


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,NCT%ON'L '-E'* O THE B-'%N


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Differe% $r of cerebr"# !$&e

differe% f"%cio%s


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THE B-'%N

> T!e %er&es i% !e br$i% $re roeced b' !ree *$'ers of

#e#br$%es 1ura matter3 arachnoi3 an pia meter 2c$**ed menin!es

> T!e br$i% co%sis of se&er$* $rs )i! seci$* f"%cio%s,

s"c! $s !e cere#rum3 cere#ellum an meula

o#lon!ata

".The Cere#rum

> E$c! !e#is!ere of !e cerebr"# di&ided i%o fo"r

*obes- frontal3 parietal3 temporal an occipital lo#es> I% i $re *od(ed $re$s for !e &o*"%$r' #o&e#e% of !e

s?e*e$* #"sc*e $%d i%erre$io% of se%s$io%

> T!e cerebr"# is reso%sib*e for co%scio"s%ess


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2. THE CE-EBELL,M

> T!e cerebe**"# co%siss of )o dee*'>co%&o*"ed

!e#is!eres/> I !$s f"%cio% o coordi%$e bod' #o&e#e%

> T!e cerebe**"# o be ce%er for *e$r%i%( #oor s?i**s i#*ici

#e#or'

$. THE ME1,LL' OBLON4'T'

> T!e #ed"**$ ob*o%($$ co%$i%s 5vital centers6 forco%ro*i%( !e$rbe$s, bre$!i%(, b*ood ress"re, ref*e4es

s"c! $s &o#ii%(, co"(!i%(, s%eei%( $%d so o%/


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THE *P%N'L CO-1

> T!e si%$* cord co%%ecs !e br$i% $%d si%$* %er&es/

> T!e f"%cio% of si%$* cord -

./ I co%%ec $ *$r(e $r of !e eri!er$* %er&o"s

s'se# o !e br$i%/

+ I%for#$io% 1%er&e i#"*ses2 re$c!i%( !e si%$*

cord !ro"(! se%sor' %e"ro%s $re r$%s#ied " i%o

!e br$i%/

+ Si(#$*s $risi%( i% !e #oor $re$s of !e br$i% r$&e*

b$c? do)% !e si%$* cord $%d *e$&e i% !e #oor

%e"ro%s

0/ I $*so $cs $s $ #i%or coordi%$i%( ce%er reso%sib*e

for so#e si#*e ref*e4es *i?e !e )i!dr$)$* ref*e4


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Si%$* cord


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Components of a reflex arc


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Sc!e#e of ref*e4 #o&e#e%/

Sc!e#e of co##o% #o&e#e%Sc!e#e of co##o% #o&e#e%

I#"*s Receor Se%sor' %e"ro%

I%er%e"ro%Moor %e"ro%M"sc*e

I#"*s Receor Se%sor' %e"ro%

Br$i%Moor %e"ro%M"sc*e


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*OM'T%C NE-O,* */*TEM

". The Cranial Nerves co%sis of .0 $irs

2. The spinal nerves3 $re #$de " of 3. $irs, )!ic!

co%sis of 8 $ir of cervical nerves, 6 $irs of

lum#ar nerves, 6 $irs of sacral nerves, $%d 0

$irs of cocy!eal nerves

A $ir si%$* %er&es *e$&es !e si%$* cord $ e$c!

se(#e% of !e columna verte#ra


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',TONOM%C NE-O,* */*TEM

T!e $"o%o#ic %er&es s'se# !e*s control the heart

rate3 #loo pressure3 i!estion3 respiration an

other #oy functions !ro"(! $ series co#*e4 ref*e4

$cio%s

> The sympathetic nerves co#e fro# !e !or$4 $%d

*"#b$r re(io%s of si%$* cord> The parasypathetic nerves co#e fro# !e cr$%i$*

$%d s$cr$* re(io%s of !e ce%r$* %er&es s'se#


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0/ U%co%scio"s Ner&o"s

S'se#

Human Nervous and Sensory System

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