Korpa je prazna
Probavni sistem I deo - Od usta do želuca
Probavni sistem I deo - Od usta do želuca
The digestive system is responsible for separating the nutrients and unusable materials in the food we eat.
6 – 12. godina
Autor: Keszthelyi Zoltán
Lektor: Horváthné Kunstár Andrea, Márton Gábor
Grafičar: Chounramany Sengnirane
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