Question

what is the scientific reason of hiccup

Answer 1

Hi
Here's ur answer...
Hiccup is caused due to sudden contraction of smooth muscles of diaphragm.....causing in comfort...
It is usually cured by dressing some pressure points or by drinking water.....

Hope this helps u
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Answer 2

Hiccups are burst of inspiratory activity. When the air rushing in hits our voice box, our vocal chord closes suddenly and we're left with a big hiccup.
Something that irritate the diaphragm are eating too quickly or too much , irritation in the stomach or the throat, or feeling excited or nervous.