Question

How food moves in the opposite direction during vomiting

Answer 1

The food moves in the opposite direction during vomiting by creating reverse peristaltic movement in the oesophagus. vomiting is common when we eat too much food that contains more fat when the food is poisoned,immediate sleep after eating too much food. These are common reasons for causing vomiting. During vomiting peristaltic movement reverses their normal direction and the food is expelled out through mouth.

Answer 2

This is reverse peristaltic movement.
when the food taken is poisonous or something against our body.
we get a feeling of nausea and we tend to vomit.
Reverse peristalsis is what takes place in case of vomiting.