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samenvatting-biologie

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het is een heel goede samenvatting waar ik zelf een heel goede test mee heb gedaan en je kan het ook gebruiken voor je examen voor te bereiden

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Biologie
Thema 1 van prikkel tot reacti e bij organisme:
1. Van cel tot organisme
1. Bloedcellen, vetcellen, spiercellen, zenuwcellen
2. Vetweefsel, huidweefsel, spierweefsel, zenuwweefsel
3. Nieren, longen, hart, maag, huid
4. Ademhalingsstelsel, spijsverteringsstelsel, bloedvaten stelsel,
voortplantingsstelsel
5. Organismen

Kringloop:
1. Prikkel: temperatuur
2. Receptor: de huid: thermoreceptoren
3. Conductor: zenuwen
4. Processor: de hersenen
5. Conductor: zenuwen (en/of hormonen)
6. Effecten: spieren en (of klieren)
7. Reactie: ontspannen – zweten

1.1 homeostase
Het proces waarbij organismen het interne milieu in evenwicht houden, ondanks
veranderingen in de omgeving, heet homeostase.

2.1 prikkels
- inwendige prikkels: honger en dorst
- uitwendige prikkels: het geluid van je wekker, het licht dat in je kamer
binnenvalt
2.2 receptoren
Receptoren worden ook wel zintuigcellen of receptorcellen genoemd.
Ze liggen in zintuigorganen en registreren prikkels.

- Fotoreceptoren: licht
- Fonoreceptoren: geluid
- Evenwichtsreceptoren: rechtlijnig bewegen of draaibewegingen maken
- Mechanoreceptoren: gevoelig zijn voor aanraking en druk
- Thermoreceptoren: voelen temperatuursverandering
- Chemoreceptoren: geur en smaak

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Written in
2023/2024
Type
SUMMARY

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