9 Astonishing Facts About Hiccups That Will Surprise And Inform You

The Noise Hiccups Make

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No medical training is needed to identify a case of hiccups because one of the most obvious signs of this condition is the noise it makes. The 'hic' noise is an involuntary sound produced by a reflex that is triggered when the throat closes in response to excess air in the body's breathing passage. This process takes approximately 0.25 to 0.35 seconds and begins when the diaphragm contracts and the vocal cords reflexively close. The sound varies in volume and frequency across people. The word 'hiccup' is an example of onomatopoeia, a property of words that imitate sounds, used in comics, cartoons, and pop art.