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Samenvatting Anatomie & Fysiologie
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Samenvatting Anatomie & Fysiologie
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Samenvatting ademhalingshaling, longen en luchtwegenLongen en luchtwegen
Bouw van de long:
Rechts 3 en links 2 kwabben (i.v.m. hartpunt aan de linkerkant)
Longhilus (longpoort) poort van (Toetsvraag)
Hoofdbronchi
Bloedvaten
Zenuwen
Lymfevaten
Long wordt omgeven door vliezen
Pleura visceralis (longvlies)
Pleura parietalis (borstvlies)
Pleuraholte: gevuld met vocht en heeft vacuüm zodat long en borstkas goed over
elkaar heen kunnen bewegen
Bovenste luchtwegen:
Functie van de bovenste luchtwegen:
huig
Verwarmen (neus)
Bevochtigen (neus)
Filteren (neus)
Stemvorming (mond)
Slikken en spijsvertering (mond)
Huig: sluit de keelholte af dat je slikt
Strottenklepje: sluit de luchtpijp af als je slikt
Stembanden:
Ware stembanden; staan wijd open om lucht op te
vangen > zodra je praat sluiten de stembanden>
stembanden gaan trillen > brengen lucht aan het trillen >
hierdoor komt er volume (dus het praten)
Onderste luchtwegen:
1. Trachea (luchtpijp)
2. Hoofdbronchus
3. Bronchie
4. Bronchioli
5. Alveoli (longblaasjes)
Ademhalingsstelsel
Functie: zorgen voor gasuitwisseling (longen) d.m.v. alveoli
(longblaasjes)
Zuurstof (O2) komt vanaf buiten in het bloed terecht
Koolstofdioxide (CO2) wordt uitgestoten.
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