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Summary

Samenvatting hoofdstuk 4 biologie (3de jaar)

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Uploaded on
14-01-2024
Written in
2023/2024

In deze samenvatting staat alles van hoofdstuk 4 uitgelegd, het boek waarover deze samenvatting gaat is Focus 3.2.

Institution
2e Graad
Course
Biologie

Content preview

Samenvatting hoofdstuk 4 biologie
Les 1
Van zwaartekrachtprikkel tot reactie
Conductoren



Receptoren
(evenwichtsreceptoren)




Effectoren
(spieren)

Effectoren
(klieren)


Receptoren (evenwichtsreceptoren)
− De evenwichtsreceptoren liggen in het oor
− Als de evenwichtsreceptoren geprikkeld worden zetten ze de prikkels
om in impulsen
Conductoren (de zenuwen)
− De impulsen van de receptoren gaan via de conductoren naar de
hersenen
− De hersenen verwerken de informatie en sturen de impulsen dan door
naar de effectoren via het zenuwstelsel en het hormonaal stelsel
Effectoren (spieren en klieren)
− De effectoren zorgen ervoor dat het lichaam reageert
− De effectoren reageren SUPERsnel
(Bv. een koorddanser beweegt heel de tijd met zijn armen zodat zijn evenwicht
bewaart blijft + de bijnieren maken adrenaline aan tegen de stress)

, Les 2
De bouw van het evenwichtsorgaan
3 halfcirkelvormige
kanalen

Ampullaorganen (3)




Statolietorganen (2)
Ronde blaasje
Ovale blaasje




Het evenwichtsorgaan = ligt in het inwendig oor
3 halfcirkelvormige kanalen = nemen bewegingen van je hoofd waar en
zijn onderaan verdikt
Ampullaorganen = zitten in de verdikkingen van de halfcirkelvormige
kanalen/de ampulla’s
Ronde blaasje = gevuld met vocht en bevat evenwichtsreceptoren
Ovale blaasje = gevuld met vocht en bevat evenwichtsreceptoren
Statolietorganen = liggen in het ronde en ovale blaasje
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Connected book

image
Unknown Focus Biologie 3.2 Handboek (incl. Pelckmans Portaal)
  • Unknown
  • 9789464011371
  • Unknown

Written for

Institution
Secondary school
Study
2e graad
Course
Biologie
School year
3

Document information

Summarized whole book?
No
Which chapters are summarized?
Hoofdstuk 4
Uploaded on
January 14, 2024
Number of pages
6
Written in
2023/2024
Type
SUMMARY

Subjects

  • het evenwichtsorgaan
  • ampullaorganen
  • statolietorganen
  • haarcellen
  • zenuwvezels
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