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The digestive system Part 1 - From the oral cavity to the stomach
The digestive system Part 1 - From the oral cavity to the stomach
The digestive system is responsible for separating the nutrients and unusable materials in the food we eat.
Klasser 6 – 12
Forfatter: Keszthelyi Zoltán
Korrektur: Horváthné Kunstár Andrea, Márton Gábor
Grafisk designer: Chounramany Sengnirane
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