Wie funktioniert eine Lunge

What a cool science project. Blow into the straws and watch the lungs inflate!

Explore Matthias Pflügner's photos on Flickr. Matthias Pflügner has uploaded 1201 photos to Flickr.

Explore Matthias Pflügner's photos on Flickr. Matthias Pflügner has uploaded 1201 photos to Flickr.

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