100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Summary Nervous system - Life Sciences (Biology) R95,00   Add to cart

Summary

Summary Nervous system - Life Sciences (Biology)

 1 view  0 purchase

A well summarised document with all the information needed to do exceptionally well in exams. Includes diagrams to help maximise learning and productivity. includes explanations on : different types of neutrons , the central nervous system, peripheral nervous system and important terminology. From ...

[Show more]

Preview 2 out of 7  pages

  • January 23, 2024
  • 7
  • 2023/2024
  • Summary
All documents for this subject (1054)
avatar-seller
Amystudent
The nervous system
Coordination abilitytolinknervoussystemsandtheiractivities sothatthebodysantunctionettectivelyasawnole
Purposeenable
organism tosurviveunderchangingconditionsinenvironment
timulus anychangeinexternalinternal
environment

irritability capacitytorespondtoboth stimuli Characteristicofliving
externalinternal protoplasm

3reauirements
I senseorgans meansofdetectingchangesPicks
receptors
up intoimpulse
stimuli converts
2 Partofbodythatanalysesincomingintoslinksthisintotocertainpartsotbooy ensure


byappropriateresponse
stimulusrecievedistollowed
RECEPTOR NERVEIMPULSE
3 meansofactingoninfolorespond organs musclesglands
erector BRAINISPINALCORD EFFECTOR


NERVOUSSYSTEMEnsuresHomeostasis constantenvironment r
appropriatelytointernal
responds changes fevercrampsheadache coordination
External
changes hotcolddanger
twocontrolsystems
a Nervoussystem bEndocrinesystem
nervouscoordination chemical ofBody
coordination

Pathwayneurons pathway bloodstream



mouseselectrochemical impulsespecialised
ductless
glands h ormones
secrete
chemicalmessengers
rapidresponses madeupotBrainspinal
cord
nervessense
organs slow
responses involve
growthmetabolicchanges




phiggestcelisa
nerve stimulated
easily
millionsofneurons Nervous
tissue
transmitsimpulses
rapidly


088
neurons

nervebundle neuroglia inbetweenneurons
maintain
neuronssupport
vessels
blood
p free
keep
nutrients
from debris
endometrium loose connectivetissuearound
neuronsineach
bundle
perineurium holosbundlesotneurons
together
epineuriummembrane
NervoussystemNs
CENTRALNS PERIPHERAL NS

Brain cord
spinal Autonomic NS
Somagggsystem
voluntary Ginvoluntary
actions

PerineralNERVES cranial sympathetic parasympathetic
1 sensory impulsefromreceptors sensibrainispinalcorolferenal nerve Spegal
oppofadrenalin
12ms 9adrenalin

2 Motor fromBrainspinal
impulses cord Defectors muscle gland fettered prs bourceinnervation


a Mixed Bothsensoryafferent Imoreuletteventfibues

, MOTOR SENSORY CONNETOR

MULTIPOLAR UNIPOLAR MULTIPOLAR



dentrite
d




Mitten
receptor
ma


Mft
cellbofy
i
contains
granular




J
1


iiiii
nucleus
nocentriole anyone o cell
body
central
mitochondria
cto
provide
transmitimpulses




gpÉ
myelin
sheath
fattywhite cellbody
ens
outside
from
neurons eachother
iii indorsalrootganglionswelling
Ieiiiiintigmissiona y
nucleus

axon
impulses
larry away
fromcellbooy axon
toons
impulses axon
knobs
synaptic

y knobs

THEIR

motor away
women senator geniougisememan i ing WMMR syrup
knobs
multipolar havecellbooywithoneaxons unipolarsinge processfibrethat
numerousdendrite dividesclosetoiellbooyintosmain
branshailaxonddenorite
Ionnetor
interneurons sensory motor
How neurons connect lionnectoittipartsotens


Bipolarneurons spindleshaped
Identriteatoneend
end
axonalother
sensory Motor
Brain
White withdenseconcentrationsofmyelinatedfibres
matterregions impulsesReceptors sens tremens effectors
impulsesaway

i afferent
withmostlycellbodies
reymatter regions i efferent
dendrite unipolar
manypenorites multipolar

Bothoenoritesaxonmyelinated
only myelinated
axon
makesuppartotwhitematter parrotwhite Greymatter
indorsairoototnerve inventuatroototnerve

shorter
axon axon
Longer

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying this summary from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Amystudent. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy this summary for R95,00. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78677 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 14 years now

Start selling
R95,00
  • (0)
  Buy now