#hiccup
Hiccup
Involuntary contraction of the diaphragm
A hiccup is an involuntary contraction of the diaphragm that may repeat several times per minute. The hiccup is an involuntary action involving a reflex arc. Once triggered, the reflex causes a strong contraction of the diaphragm followed about a quarter of a second later by closure of the vocal cords, which results in the "hic" sound.
Mon 9th
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