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cyxical
Hiccups are involuntary spasms of the diaphragm usually occurring when one consumes food or liquid too quickly. When this happens, the diaphragm becomes irritated and involuntarily contracts followed by a rapid closure of the vocal chords.

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When the diaphragm becomes irritated, it yanks down, causing air to rush into the throat.

When this air hits the voice box, it causes a hiccup.

Hiccups can be caused by eating too quickly or too much, an irritated stomach or throat, or feelings of nervousness or excitement.

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