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Biologie samenvatting H9 nectar 3 vwo $3.74
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Biologie samenvatting H9 nectar 3 vwo

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Samenvatting van H9 van nectar biologie 3 vwo

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  • August 30, 2021
  • 4
  • 2020/2021
  • Summary
  • Secondary school
  • 3
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Hoofdstuk 9
Paragraaf 1 - het werkt

Organen en orgaanstelsels
Het middenrif verdeeld de romp in de buikholte en de borstholte. Het is een dik
gespierd vlies.
Je hebt veel verschillende orgaanstelsels → organen die samenwerken:
- Verteringsstelsel → maakt voedsel klein zodat het bloed
voedingsstoffen kan opnemen.
- Ademhalingsstelsel → neemt zuurstof op en geeft koolstofdioxide af
- Bloedvatenstelsel → vervoert zuurstof en voedingsstoffen
- Uitscheidingsstelsel → raakt afvalstoffen kwijt
- Zenuwstelsel → zorgt ervoor dat alle organen goed werken




Spieren en energie
Spieren hebben energie nodig om samen te trekken. Voor de verbranding van
glucose heb je zuurstof nodig.
- Verteringsstelsel → glucose komt in het bloed
- Ademhalingsstelsel → Zuurstof komt in het bloed
- Bloedvatenstelsel → glucose en zuurstof komen bij de spieren

Er ontstaan bij verbranding 2 stoffen:
- Water → uitscheidingsstelsel → urine
- Koolstofdioxide → ademhalingsstelsel → uitademen

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