Question

What are hiccups?
I need long and explained answer.

Answer 1

Hiccups are sudden, involuntary 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.

Answer 2

it's an involuntary action which symbolizes the lack of water in our body