Question

The contraction and expansion of oesophagus is known as​

Answer 1

Answer:

The oesophagus can contract or expand to allow for the passage of food. The muscular movement that pushes the food down the oesophagus is called peristalsis. mucous secreted by the epithelial cells in the inner lining helps in the smooth passage of food

Answer 2

The oesophagus can contract or expand to allow for the passage of food. The muscular movement that pushes the food down the oesophagus is called peristalsis.