What happens to the food in mouth and oesophagus of the digestive tract?
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Answer:Once a food bolus is formed, it goes down the pharynx and triggers the swallowing reflex. It then passes through the oesophagus, where two sphincters prevent its regurgitation into the pharynx and mouth, and regurgitation of acidic gastric juices into the oesophagus.
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Answer:
the for is mixed with saliva which contains salivary amylase which helps in converting sugar to glucose
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