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what is the role of peristalsis in digestion?
The role of peristalsis in the digestive system is that it is the way food is propelled down the oesophagus and into the stomach; peristalsis moves the digested food through the small and large intestine and then through the rectum and anus. It is a series of smooth muscle contractions and relaxations moving food in a wave-like manner through the different processes in the gastrointestinal tract.


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