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Samenvatting ZELFSTUDIE Wetenschappen En Techniek

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Dit document is de samenvatting van de filmpjes + pagina's uit de syllabus en het boek.

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Sofie Coppens Wetenschappen & Techniek 2022 - 2023




WETENSCHAPPEN & TECHNIEK
SAMENVATTING
INHOUDSTAFEL


Table of Contents
Functie................................................................................................................................ 2

Begrippen........................................................................................................................... 2

Samenvatting.................................................................................................................... 2

Zintuig(orgaan)................................................................................................................... 3

Bouw van het oog......................................................................................................... 3

Pupilreflex.................................................................................................................... 5

Accommodatie.............................................................................................................. 6

Fotoreceptoren............................................................................................................. 8

Dieptezicht................................................................................................................... 9

Bouw van het oor....................................................................................................... 10

Gehoororgaan............................................................................................................. 11

Evenwichtsorgaan...................................................................................................... 12

Bouw van de neus...................................................................................................... 14

Bouw.......................................................................................................................... 15

De bouw van de huid.................................................................................................. 16

Homunculus................................................................................................................ 16

Andere zintuigen........................................................................................................... 17




1

, Sofie Coppens Wetenschappen & Techniek 2022 - 2023




FUNCTIE
= Waarnemen van (veranderingen in) de omgeving (of zichzelf) waardoor passend
gereageerd kan worden


BEGRIPPEN
Prikkel-zintuigcellen-zintuig(orgaan)

- Zintuigen: tuigen voor de zinnen (wat we kunnen waarnemen – vb:
smaak/reuk/zien)
 Dingen die je nodig hebt om de zinnen te kunnen waarnemen
 Zintuigorganen: ogen/oor/neus…
 In de zintuigorganen – zintuigcellen
 Zintuigcellen detecteren + geven prikkels (dingen die de zintuigen aanzetten
tot het geven van een signaal) door aan de hersenen

Prikkeldrempelwaarde

- Prikkels (= stimuli) moeten een bepaalde drempel overschrijden om een stimulus
te geven
- Om ervoor te zorgen dat dat zintuigcelletje een signaal gaat geven

Kan verschillend zijn per diersoort

Vb: ultrasone geluiden: voor ons geen prikkel – wij horen dit niet  vleermuizen wel




SAMENVATTING




2

Document information

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Uploaded on
January 22, 2023
File latest updated on
January 22, 2023
Number of pages
17
Written in
2022/2023
Type
Summary
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