পৌষ্টিক তন্ত্র |WBBSE|Class 9|Life Science|Chapter 3|digestive system

Описание: This video is about digestive system in Life Science of class 9 of West Bengal Board of Secondary Education (WBBSE). Here I am trying to teach biology in such a way with diagram that makes study interesting and easy to understand in Bengali language. Please follow the whole video to understand thoroughly. If you like my video please subscribe.

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