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Railways PYQCBT 2 2017

RRB NTPC · Question 52

The contraction and expansion of the walls of food pipe is called _____ movement.

  1. Peristalsis

  2. Gastric

  3. Oscillatory

  4. Diastolic

Show answer & explanation

Answer: (A) Peristalsis

Explanation

Peristalsis is the wave-like contraction and relaxation of the walls of the food pipe (oesophagus) and intestines that pushes food along.