Why do things touching the uvula cause gagging unless it’s your tongue, food, or liquid?

Question

Why do things touching the uvula cause gagging unless it’s your tongue, food, or liquid?

In: Biology

Answer 1

I’m no scientist, but I would say that it’s because your body knows that a tongue, food, or liquid is supposed to touch your uvula, but something like a toothbrush or your finger shouldn’t