A hiccup or hiccough is an involuntary spasm of the diaphragm; typically this repeats several times a minute. The sudden rush of air into the lungs cause the glottis to close, creating the "hic" noise.
Dunno why but it happen when the phrenic nerve can get hold of damaged through surgery or when the diaphragm go into spasm.
you swallod air into the stomach and it dosent belong htere and obligation to get out
it is to bring attention.
a hiccup is a reflex. its caused by over stimulation within the brain.
muscle spasm in your diaphragm
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