Question

Explain the digestive system.

Answer 1

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Answer 2

The digestive system Of human is starts from mouth and ends at anus The digestion of food starts in mouth there are three pairs of salivary glands secrets saliva.The food get mixed with it and is movable in tractand it passes through the wide opening called pharnyx and then to oesophagus. The food passes through pyloric spincters in peristaltic movement . The reverse peristaltic movement leads to comparing from there food passes through stomach which is big bag like structure The walls of stomach secret e enzymes and gases like HCL the food gets thoroughly mixed and then passes to small intestine the partially digested food digest totally and moves to large intestine any water or minerals present observed by villi and finally passes to rectum and and moves out through anus as defecate s In this way we can explain digestion

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