Question

6.4 How does food travel in the reverse direction while vomiting?​

Answer 1

Answer:

Food is pushed down by the movement of the wall of the food pipe into the stomach. But when the food is not accepted by the stomach it moves in the opposite direction. Thus we vomit out the food.

Answer 2

Explanation:

Vomiting can be triggered, but it is usually a reflex. When we vomit, an anti-peristaltic movement pushes food in the opposite direction to the peristaltic waves that normally move food down through the digestive tract.

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