What happens in a person’s body when they eat “off” food and it leads to diarrhea?

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Sorry if the question is gross 🙂

This may or may not have just happened to me — how does the body detect the pathogen (or toxin or whatever), and how does it “decide” what to do about it? What signalling systems, etc. are involved? How does it decide when it’s “done”? What’s all that rumbling about?

Thanks for all insights!

In: Biology