ड्रॉ ए लेबल्ड डायग्राम ऑफ़ डाइजेस्टिव सिस्टम ऑफ़ ह्यूमन
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it is very easy first of food goes into our mouth from the salivary gland and then to the stomach and then it comes out by the energy been digested the picture is given below.
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