100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Summary

Summary IEB grade 12 Life Science: Human Endocrine System

Rating
5.0
(1)
Sold
3
Pages
7
Uploaded on
15-06-2022
Written in
2021/2022

This aesthetic, engaging and in-depth digital summary of the Human Endocrine System section: of the Grade 12 IEB syllabus - is sure to help you grasp a clear understanding of the topic as well as aid you to excel in your next test or exam!

Show more Read less
Institution
Course









Whoops! We can’t load your doc right now. Try again or contact support.

Written for

Institution
Course
Schooljaar
200

Document information

Uploaded on
June 15, 2022
Number of pages
7
Written in
2021/2022
Type
Summary

Subjects

Content preview

human endocrine
systems
thenervous endocrinesystemsenableanimalstoresponse
toexternalchanges tocontrolconditionsinthe
body


chemicalcoordination
slowprolongedprocessofcommunicatinginfo throughout
thebodyandhormones
avarietyofhormonesare by
secreted endocrine
glands


HORMONE
chemicalsubstances
organic targetorgan
by
secreted endocrineglands specificcensthatrespona
inbloodstreamarestreamed
carried
d
target
metabolic
regulates reactions havereceptorsitestorthat

donotlastiongastheyarebroken hormone
by enzymes



Hypothalamus

Endocrinegland partotbraincanovetnepituary

vascularauctiessalanathatsecretesnormoneswnicharecarneainthe anticantidiuretichormone
secretes

totarget
bloodstream organs
s uppliedwblood
richly vessels vascular roleofADH
osmoreceptorsinbloodresseisattnenypothalamusaetectanincreasein

theosmolarityclowmoieveissorblooatnemypothalamusreleasesaba

antinensconservewaterifbody dehydrated

EXOCRINE us ENDOCRINE regulateso smoregulationinicianeys

secretionscarried
via oversecretioniswening noretention
undersecretion dehydration
exoglands endoglands

diets ductsuses pituitaryaland
bloodstream also
knownasHypophysis
actsasachemicalcoordinatorormostoftneotherendocrinegianas

M ThemasteracanD

xxxx xxx toboggan
baseofbrainaitacneatonypo.by
astalk
endocrinecauctiess



whathormonesaresecretedby
thepituitary
gland
nyposecretion insecretionothormone

hypersecretion oversecretionofhormone hormone
2 Forcestimulatinghormone FSH
jhj.gg iuat
3 witeinzing
hormone in

5 Adrenocorticotropichormone Acth
a interstitialcellstimulatinghormone Icsh
7 arowth
H ormone arista

, hormone targetorgans function
TSH thyroid stimulatessecretionofthyroxin



FSH ovary stimulatesoogenesisleggformation
testes stimulates
s permatogenesissperm



LH ovary ovulation formationof
stimulates corpusluteum



prolactin gland
mammary stimulatesproaofminalaisorespformaternal
instinct


ACTH adrenal
gland adrenal
stimulates cortex cortisone aldosterone



ICSH testes to
testes secretetestosterone
stimulates



an bones muscles synthesise protein skeletalmuscle
growth




GrowthDisorders secretesthyroxin
caused
bytoo littlegrowthhormone
much too noainectromsalt

inprepubertailberoregrowthstops children essentialtorproductionofthyroxin
Hypersecretionleaastogiantismunichisusually
caused aoitrecandevelopitionnelevelstoolow

byatumourinthepituitarygiandiveryrare
Hyposecretionleadstounderdevelopmentorsiceleton
Thyroxinfunction
dwarfism
pituitary increasesbasalmetabollicratecitboayneatsinanbodycells
neightbetweena 122cm Promotesnormalfunctioning of
sexuallyimmature
Promotesnormal
of
functioning n ervous
system

by
treated injectionsofstacsyntheticgrowth
hormonebygen b acteria
engineered
Basalmetabolicrate
amountofenergythebodyneedstokeepfunctioningwhileatrest

inadults
oversecretionofanleaastoacromeglyconditionwnerebones DISORDERS
and
offacehands feet enlargedthickeningofsoft
are hyperthyroidism myxodermatcretin
leadtoenlargedfeaturestongue
tissues hypothyroidism autre

Thyroidaland nighmetrate
Hyperthyroidism causes
nignboaytempanasweating

neartanaresp blood increase
pressure
tremorsnervousness
muscular

swollen thyroiagianacexophthalmicgoitre

normalblood
testcanten
youabout
your Hypothyroidismcauses
alow rate
metabolic
thyroid
a Adultimyxodermaimentalsluggishnesscower
slow trespiratenowboaytemp I
childrencretinism.no sexual
growthimmature
development retarded
mentally

Reviews from verified buyers

Showing all reviews
2 year ago

5.0

1 reviews

5
1
4
0
3
0
2
0
1
0
Trustworthy reviews on Stuvia

All reviews are made by real Stuvia users after verified purchases.

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
IEBstraightA HeronBridge College
Follow You need to be logged in order to follow users or courses
Sold
325
Member since
3 year
Number of followers
170
Documents
33
Last sold
1 month ago
IEBstraightA : ultimate summary notes to smash your IEB matric finals!

Get access to the same summary notes that got me straight A's for my matric finals!

4.6

25 reviews

5
21
4
0
3
3
2
1
1
0

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions