Question

Movement of food through oesophagus is

mainly due to

(1) Lubrication by saliva

(2) Peristalsis

(3) Gravitational pull

(4) All of the above​

Answer 1

hey mate!!

________________

here is ur answer

Movement of food through oesophagus is by the movement

PERISTALYSIS.

Contraction and relaxation of circular and longitudinal muscles that bring in a wave like motion called as PERISTALYSIS.

hope the answer helps u

Answer 2

Answer:

(2)peristalsis

Explanation:

◾The pharynx is the main part of the throat that helps in the movement of the bolus into the oesophagus.

◾it is an involuntary movements of the longitudinal muscles and circular muscles which are primarily present in the digestive tract.

◾

This peristalsis process occurs in progressive wave like contractions creating an inward pushing force.

◾ The peristaltic waves in the esophagus , begin at the upper portion of the tube and it travels the whole portion resulting in the generation of pushing force that pushes the food into the stomach.