Apparato Respiratorio (parte 1/2)
4:54
Added: 3 years ago
From: scuolanetwork
Views: 118,228
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  • non si capisce molto...quando le immagini mostrano come funziona l'epiglottide parla dello scaldamento dell'aria...

    Trike950 1 year ago

  • el es el hombre increible o no???????'

    se parese =0

    108batista 1 year ago

  • @108batista jajajaja No. No es el hombre increible! Ya quisiera que los europeos sean asì!!!!

    Mavycna 5 months ago

  • molto kiaro questo filmato!

    cricruch 1 year ago 2

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