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Hello anybody, I have a doubt what causes a hiccup ? Can anybody please explain ?

Hello anybody,
I have a doubt what causes a  hiccup ?
Can anybody please explain ?

Grade:12th pass

1 Answers

Arun
25763 Points
2 years ago
Hiccups are suddeninvoluntary contractions of the diaphragm muscle. As the muscle contracts repeatedly, the opening between the vocal cords snaps shut to check the inflow of air and makes the hiccup sound. Irritation of the nerves that extend from the neck to the chest can cause hiccups.

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