WHAT IS A HICCUP?
A hiccup comes from an involuntary contraction of the diaphragm, producing a sudden intake of air. The glottis (the vocal apparatus of the larynx) slams shut at the same time, so that the colum of air strikes the closed glottis to produce the characteristic, onomatopoeic noise.
A hiccup comes from an involuntary contraction of the diaphragm, producing a sudden intake of air. The glottis (the vocal apparatus of the larynx) slams shut at the same time, so that the colum of air strikes the closed glottis to produce the characteristic, onomatopoeic noise.
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