how does your stomach know which food to vomit when you had a mix of good food and bad food?

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how does your stomach know which food to vomit when you had a mix of good food and bad food?

In: Biology

Nagisan commented

It doesn’t…if you’ve had bad food all the contents of your stomach are likely to be expelled.
demonardvark commented

it doesn’t. when it detects bad food it expels everything. if vomit is not sufficient you will get diarrhea as well.