Question

Draw a well-labelled diagram to show the movement of the food in the oesophagus. Write the function of oesophagus.
(Draw in a copy , don't send any pictures from book and label it )

Unnecessary answer will be reported.​

Answer 1

Answer:

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.

Answer 2

I'm writing this because it is not taking the answer