Question

How food move in opposite direction during vomiting?

Answer 1

Explanation:

This is an intresting question, take this an example, say if you boil milk in a vessel, keepin a lid on it, at an certain stage the milk will boil hard and flows using the lid or pushing it, we treat it as steam pushing due to pressure.

Same as such, in our stomach, if we have a bad appetite and sick or something our blood pressure will increase, and moreover the bad water content in the stomach starts heating up in the stomach and the water get pressure and fetched itself for an exit, obviously intestines would be down and the exit is not possible for solid waste, and moreover when ever you open your mouth some air will go inside and it will increase the pressure too.

If you check yourself with an BP machine when you feel like vomitting, it will be always high , and once your vomitt you can find yourself being light weighted and relaxed coz due to the pressure you will be releasing not only whatever you eat but also the bad water content which got stagnent in your stomach will also come out and you might find yourself slim there, and later once you get comfortable and fit, you can find a difference yourself that whatever you eat will get digested better and you feel like gaining weight opitmally

Answer 2

Explanation:

Local irritation of the stomach, such as bacteria or food poisoning, activates the emetic center of the brain which in turn signals an imminent vomiting reflex. Food then moves in the opposite direction, often from the duodenum into the stomach.