How food takes peristaltic moment in oesophagus
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Answer:
The walls of oesophagus starts contractions and expansions when food is in it. This is the peristaltic movement in oesophagus.
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Explanation:
After food is chewed into a bolus it is swallowed and moved through the oesophagus smooth muscles contact behind the bouls to prevent it from being squeezed bach into the mouth. The rhythmic, unidirectional waves of contractions work to rapidly force the food into the stomch
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