Why do we return with hicups?

Why do we return with hicups?
We use our diaphragm (which is a muscle at the bottom of our chest) when breathing. It pulls in when we inhale and pushes out when we exhale. Sometimes the diaphragm become irritated. When this happens, it pulls down surrounded by a jerky path, which makes you suck nouns into your throat suddenly. When the air rushing contained by hits your voice box, you're left next to the hiccup noise.
swallowing gas when we munch through
en.wikipedia.org/wiki/Hiccup

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hiccups spasm contracts the diaphragm. the spasm causes intake of a breath explicitly suddenly stoped by closure of the vocal cords (glottis) the closure cause the "hiccup" sound.