Answers

  • Brainly User
2015-03-10T16:25:56+05:30
Motion in food pipe ( oesophagus ).................. when food  enter..
0
2015-03-10T16:27:43+05:30
the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wave-like movements which push the contents of the canal forward is known as peristalsis
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