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Bildquellen:
Urlaubsfotos aus Privatarchiv, ein Dachbodenfund meiner Schwester Bettina
Fragmente, z.T. stark verändert aus:
Patrick J. Lynch, medical illustrator: Anatomie der Bronchie, Details der Alveolen und des Lungenkreislaufs, erstellt: 23. Dezember 2006, https://de.wikipedia.org/wiki/Lungenbläschen#/media/Datei:Bronchial_anatomy.jpg.
Lunge, AdobeStock_126797924-PIC4U-1.jpeg
Weltkarte, AdobeStock_311135942.jpeg
Cornelsen: Fokus Biologie, Band 2, Prüfauflage 2009.