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40,328 results
How do fish "breathe" underwater? The answer is... oxygen! Watch this video to find out how oxygen gets into water! License: ...
222,194 views
10 years ago
Cette vidéo fait partie du MOOC "Comprendre la Respiration", en partenariat avec l'Université Catholique de Louvain (Faculté de ...
42,717 views
8 years ago