Draw neat diagram showing the peristalic movement in oesophagus

biology
cbse-class-10
coordination-in-life

#1

draw neat diagram showing the peristalic movement in oesophagus
A.
draw-neat-diagram-showing-the-peristalic-movement-in-oesophagus-456

  1. The walls of the food pipe secrete a slippery substance called mucus.
  2. Mucus lubricates and protects the oesophageal walls from damage.
  3. This helps the food bolus to slide down easily into the stomach through oesophagus.