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By which force, the food passes through the oesophagus?
After swallowing a bolus of food, it travels down a muscular tube in the chest called the oesophagus, where the process of peristalsis begins.
Peristalsis is a series of wave-like muscle contractions that cause a wave-like motion (force) to move food to different processing locations in the digestive tract.
This movement helps food to travel through the stomach, where it is churned into a liquid mixture called chyme.
The word Parastalsis comes from ‘New Latin’ and is derived from the Greek “peristellein”, meaning "to wrap around".
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