It’s known that sneezing is a reflex to prevent dust or nose hairs or whatever from getting down into the lungs, but why do people and animals sometimes get hiccups? What function does that serve, and what causes them?
Also, bonus points for any random useful tips on how to make hiccups go away…
I read once that your body does it when your blood is low in oxygen, but I have no idea if that’s true or not.